[LV2] Ardour doesn't find lv2

[David Robillard]

On Tue, 2012-12-11 at 09:56 +0100, rosea.grammostola wrote:
> On 12/11/2012 04:42 AM, David Robillard wrote:
> > On Mon, 2012-12-10 at 23:02 +0100, rosea.grammostola wrote:
> > [...]
> >> PATH is not set
> >
> > LV2_PATH and PATH are very different things.
> >
> > Something quite bizarre must be happening if somehow lv2ls finds nothing
> > but apps using the same lilv do.  Are you sure there are actually
> > plugins in the default lilv path?  For example, on some more braindead
> > distros (e.g. Fedora), /usr/lib is *not* the native library path.
> > Packaged plugins for these distros and the lilv default are probably not
> > the same path.
> >
> > strace lv2ls 2>  lv2ls.strace.txt
> >
> > Attach in reply (or send me privately if the list doesn't like that, but
> > it's only a few hundred K of text so I think it will be fine)
> >
> > -dr
> 
> $ ls /usr/lib/lv2/
> alias-swh.lv2                    matrix_ms_st-swh.lv2
> allpass-swh.lv2                  matrix_spatialiser-swh.lv2
> am_pitchshift-swh.lv2            matrix_st_ms-swh.lv2
> amp-swh.lv2                      mbc2b.lv2
> analogue_osc-swh.lv2             mbeq-swh.lv2
> atom.lv2                         mda.lv2
> bandpass_a_iir-swh.lv2           midi.lv2
> bandpass_iir-swh.lv2             mkii-graph-eq1.lv2
> blop.lv2                         mkii-graph-eq2.lv2
> bode_shifter_cv-swh.lv2          mod_delay-swh.lv2
> bode_shifter-swh.lv2             morph.lv2
> b_overdrive                      multivoice_chorus-swh.lv2
> etc.

It appears to be exiting immediately and doing absolutely nothing.

Something is more deeply wrong here.  Make sure all your builds are
clean, and maybe run in gdb and break on _exit and see why/where it is
exiting so early.

-dr
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