Re: gnupg strip down

[Jussi Kukkonen <jussi.kukkonen@intel.com>]

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On 2 May 2017 at 13:06, Arno Steffens <star@gmx.li> wrote:

>
>
> > Gesendet: Freitag, 28. April 2017 um 14:30 Uhr
> > Von: "Wold, Saul" <saul.wold@intel.com>
> > An: "star@gmx.li" <star@gmx.li>, "Kukkonen, Jussi" <
> jussi.kukkonen@intel.com>
> > Cc: "poky@yoctoproject.org" <poky@yoctoproject.org>, "
> alexander.kanavin@linux.intel.com" <alexander.kanavin@linux.intel.com>
> > Betreff: Re: [poky] gnupg strip down
> >
> > On Fri, 2017-04-28 at 11:35 +0300, Jussi Kukkonen wrote:
> > > On 28 April 2017 at 10:31, Arno Steffens <star@gmx.li> wrote:
> > > > I did as advised, created a bbappend for gnupg, like that:
> > > >
> > > > do_install_append() {
> > > >         rm ${D}${bindir}/gpgv
> > > >         rm ${D}${bindir}/gpgsm
> > > >         rm ${D}${bindir}/gpg-connect-agent
> > > >         rm ${D}${bindir}/dirmngr-client
> > > >         rm ${D}${bindir}/gpgscm
> > > >         rm ${D}${bindir}/watchgnupg
> > > >         rm ${D}${bindir}/gpgparsemail
> > > >         rm ${D}${bindir}/gpgconf
> > > >         rm ${D}${bindir}/dirmngr
> > > >         rm ${D}${bindir}/gpgtar
> > > >         rm ${D}${bindir}/gpgv2
> > > >         rm ${D}${bindir}/gpg-agent
> > > >         rm ${D}${bindir}/kbxutil
> > > >         rm ${D}/usr/sbin/*
> > > >         rmdir ${D}/usr/sbin
> > > >         rm ${D}/usr/share/gnupg/help*
> > > >         rm ${D}/usr/libexec/gpg-*
> > > >         rm ${D}/usr/libexec/scdaemon
> > > >         rmdir ${D}/usr/libexec
> > > > }
> > > >
> > > > First I get errors, cleaning files and leave directory, but than I
> > > > get it, that I have to remove empty folders too. Ok, that could be
> > > > done smarter. So just gpg and few small files left.
> > > >
> > > > But I don't have an idea howto remove the libs, that seems to be
> > > > required only by the removed binaries,
> > > > like libgnutils.so, libgmp.so - which are rather big ...
> > >
> > > I don't see evidence that the binaries you mentioned would depend on
> > > those libraries (at least with current sysroot behaviour -- it might
> > > happen by mistake on older releases). But there is this line in the
> > > recipe:
> > > RDEPENDS_${PN} = "gnutls"
> > >
> > > Saul, do you happen to remember why that was added (more than two
> > > years ago in poky 31059be9).
> > >
> > Sorry no, too long ago, but looking at the patch it seems that the
> > dirmngr_LDADD had LIBGNUTLS before and after the change so possibly
> > that showed it should have been available.
> >
> > If something has changed with dirmngr than maybe that can be removed.
>
> How would you avoid installation of this gnutls in this case? So what do I
> have to add in my bbappend (see above)? To my shame: my skill are rather
> limited in handling this.
>

The runtime dependency on gnutls can be removed in the original recipe file
by just removing the RDEPENDS_{PN} line. If you want to do it in a bbappend
then this should work:
   RDEPENDS_${PN}_remove = "gnutls"
That should lead to gnutls not being automatically added to the image when
gnupg is added.

I think this change won't break anything but there's only one way to find
out...

Jussi

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