I have got installed pkg-conf and pkgconf (which is said to be the newer
one). I can deinstall pkg-conf but the results are the same. cmake
reports it is calling pkgconf and not pkg-conf when checking for lv2.
I can't deinstall pkgconf because it is needed by jackd2, ...
The command "ls /usr/include/lv2" reports all the directories are there.
Am 10.01.26 um 19:02 schrieb Ted Felix:
It looks like there is a problem with the pkg-config files for
lv2-dev in Debian 12. It's possible that qtractor, et al., don't use
pkg-config's include dir info to build. So they will build fine. We
use that info so if it is wrong, we cannot build.
I have no problem in Ubuntu 24.04.
Michael: Try this:
ls /usr/include/lv2
Does this list a bunch of directories like "atom", "buf-size",
etc...? If so, lv2-dev is properly installed in the correct place.
pkg-config should be reporting it.
Ted.
On 1/10/26 9:19 AM, chuck elliot wrote:
Hi Michael,
'no problem.
I should have said that my build is on Fedora fc42.
So maybe the problem is specific to Debian?
Regards,
Chuck.
On 10/01/2026 14:11, Babarosa wrote:
Hi there!
Thank you Chuck for trying to help.
I don't want to be an unpleasant person but just out of curiousity I
built qtractor from the latest git version and Debian 12's lv2
equipment here works fine too. My own lv2 builds and using lv2 with
Reaper work as reported also fine 🙁 here.
Regards, Michael
Am 08.01.26 um 22:14 schrieb chuck elliot:
All lv2 packages are up to date and as it all seems to work in
spite of these
messages, I will ignore them. I just thought they might be relevant
to Michael's
problem...
Chuck.
On 08/01/2026 19:35, Ted Felix wrote:
On 1/8/26 9:19 AM, chuck elliot wrote:
I just did a new build of most recent version 26.06
and got the following errors when starting from the bash shell:
'looks like it may relate to the LV2 issue...
These look like problems with the plugins. Did you upgrade the
plugins recently?
ADSPAPluginFactory::loadLibrary(): /usr/lib64/ladspa/zm1_1428.so
/usr/lib64/ladspa/zm1_1428.so plugin loaded successfully
Sounds good.
do_connect: could not connect to socket
connect: No such file or directory
No idea what that is.
lilv_plugin_load_ports_if_necessary(): error: Plugin <http://
home.gna.org/lv2vocoder/1> port symbol `600' is invalid
lv2vocoder port 600 doesn't exist anymore? lv2vocoder upgrade?
error: /usr/lib64/lv2/klaviatur.lv2/klaviatur.ttl:32:0:
unexpected end of file
lilv_world_load_file(): error: Error loading file `file:///usr/
lib64/lv2/klaviatur.lv2/klaviatur.ttl'
Looks like an error in the klaviatur plugin configuration file.
.ttl files are plain text. You can look at it if you want.
lilv_plugin_get_unique(): error: No value found for
(493controlOutputPort. http://lv2plug.in/ns/lv2core#index ...)
property
lilv_plugin_get_unique(): error: No value found for
(493controlOutputPort. http://lv2plug.in/ns/lv2core#symbol ...)
property
lilv_plugin_load_ports_if_necessary(): error: Plugin <http://ll-
plugins.nongnu.org/lv2/math-constant-1_pi#0> port symbol `(null)'
is invalid
etc...
No idea what any of that is. Could be harmless. Philip might
have some insight.
Ted.
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babarosa@MacBookPro:~$ ls /usr/include/lv2
atom data-access instance-access midi parameters port-props
state units worker
buf-size dynmanifest log morph patch presets time
urid
core event lv2plug.in options port-groups resize-port ui
uri-map
babarosa@MacBookPro:~$
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