Turns out emerge has this nice flag (excerpt from emerge(1) manpage):
--buildpkgonly, -B
Creates binary packages for all ebuilds processed without
actually merging the packages. This comes with the caveat that all
build-time dependencies must already be emerged on the system.
Best,
mlen
On Thu, Aug 9, 2018 at 9:29 AM Andreas Fink <finkandr...@web.de> wrote:
> On Wed, 8 Aug 2018 19:12:37 +0200
> tu...@posteo.de wrote:
>
> > Hi,
> >
> > is it possible to go through process of installing a not-installed
> > package from source to executable ... without actually install the
> > package - so the system as such is not touched?
> >
> > Cheers
> > Meino
> >
> >
> >
>
> You can use ebuild for that. The commands to build without merging
> would be
> ebuild /usr/portage/my-package/my-ebuild-file.ebuild install
>
> This will download, unpack, build, and install the package into your
> temporary portage build directory (usually /var/tmp/portage). It will
> not resolve any dependencies though, this has to be done beforehand.
>
> The temporary install directory is called "image" in the temporary
> directory.
>
> You can also go through the whole process step by step,
> ebuild /usr/portage/my-package/my-ebuild-file.ebuild unpack
> ebuild /usr/portage/my-package/my-ebuild-file.ebuild compile
> ebuild /usr/portage/my-package/my-ebuild-file.ebuild install
> ebuild /usr/portage/my-package/my-ebuild-file.ebuild qmerge
> ebuild /usr/portage/my-package/my-ebuild-file.ebuild clean
>
> the qmerge command will install it into your system, so this is the
> step, that you do not want to execute ;)
>
> Cheers
> Andreas
>
>
