Re: Can not access lv2 plugins within latest build

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Hi Ted!

lv2-dev and the other dependencies are installed, I compile several lv2=20
plugins by myself and they are working fine e.g. in Reaper.

You are correct, "cmake --log-level=3DVERBOSE .." reports exactly what you=
=20
wrote: "LV2_INCLUDE_DIRS is ''=C2=A0".

I will try to get proper information searching the web. At least for me=20
that is not a great problem at the moment. I can stay with 25.12 and=20
soon I plan to update to Debian 13 anyway, maybe this behaviour will=20
disappear magically :-)

Thank you for your efforts to guide!

Greetings, Michael

Am 08.01.26 um 21:44 schrieb Ted Felix:
> =C2=A0 If "sudo apt install lv2-dev" didn't help...
>
> =C2=A0 I've added some verbose logging.=C2=A0 Grab the latest from git a=
nd try=20
> this from your build directory:
>
> cmake --log-level=3DVERBOSE ..
>
> =C2=A0 You should see the following in the output after it checks for lv=
2:
>
> -- LV2_FOUND: '1'
> -- LV2_INCLUDE_DIRS: '/usr/include'
> -- LV2_LIBRARY_DIRS: ''
>
> =C2=A0 I'm guessing you are going to see LV2_INCLUDE_DIRS is ''.=C2=A0 I=
f so,=20
> something might be wrong with your lv2 package configuration.
>
> Ted.
>
> On 1/8/26 2:22 PM, Ted Felix wrote:
>> =C2=A0=C2=A0 That's really strange because above it indicates that lv2 =
1.18.10=20
>> is indeed available:
>>
>> -- Checking for module 'lv2>=3D1.18.0'
>> --=C2=A0=C2=A0 Found lv2, version 1.18.10
>>
>> =C2=A0=C2=A0 And your 25.12 builds fine.
>>
>> =C2=A0=C2=A0 Try this:
>>
>> sudo apt install lv2-dev
>>
>> =C2=A0=C2=A0 Not sure it will help.=C2=A0 Let us know how it goes.=C2=
=A0 I'll keep=20
>> digging into how this can happen with cmake.
>>
>> Ted.
>>
>> On 1/8/26 9:34 AM, Babarosa wrote:
>>> Hi there!
>>>
>>> The use of lv2 is disabled because of
>>>
>>> "Failed to find lv2 headers for lv2 plugins"
>>>
>>> I searched and did not find out where to get these headers from ...
>>>
>>> Greetings, Michael
>>>
>>> Am 08.01.26 um 04:51 schrieb Ted Felix:
>>>>
>>>>
>>>> On 1/7/26 5:05 PM, Babarosa wrote:
>>>>> Hi there!
>>>>>
>>>>> Thank you for your quick answer.
>>>>>
>>>>> 1.)
>>>>>
>>>>> I built v25.12 again and everything works as expected.=20
>>
>>
>>
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>> Rosegarden-user-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org - use the link below to=20
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