[LV2] Question about LV2 Filesystem Hierarchy Standard

[Andreas Müller]

On Thu, Feb 7, 2019 at 7:27 AM Hermann Meyer <brummer- at web.de> wrote:
>
>
> Am 06.02.19 um 22:55 schrieb Andreas Müller:
> > Hi,
> >
> > checked the email archive / google but did not find helpful - maybe
> > this was discussed already.
> >
> > LV2 Filesystem Hierarchy Standard [1] defines the system-wide install
> > location $PREFIX/lib/lv2. Why?
> > Background: I play around with 64/32 multilib Openembedded builds for
> > my RaspberryPi 3. By default 64bit libs go into /usr/lib64 / 32bit ->
> > /usr/lib. Following [1] would mean that 32/64bit  binaries would be
> > installed at same place which at least causes trouble installing both
> > variants.
> > But installing both is exactly what I would like to do to see if there
> > are significant differences in performance / memory consumption.
> >
> > What background am I missing?
> >
> > Thanks in advance
> >
> > Andreas
> >
> > [1] http://lv2plug.in/pages/filesystem-hierarchy-standard.html
> > _______________________________________________
>
>
> Hi
>
> If you install two versions of a plugin with the same URI you can't
> select which one you load. It will just trow you a error. (duplicate
> plugin found).
>
> You could install them in different path (just use the ones you mention
> above) and then use the environment variable LV2_PATH to point to the
> ones you'll try.
>
> This variable will be used by most LV2 hosts (if not all) to scan for
> plugins.
>
> regards
>
> hermann
>
Thanks Herrmann - you are (again) a helpful source of information.
With this background I think I'll find a working solution.

Andreas