Plugins fail to run in Bitwig 5.2 on Ubuntu 24.04: undefined symbol deflateinit_

[gaheldev]

Hi,

I was having some trouble making my plugin work in Bitiwig, while it was running fine in Ardour and Carla. It was also the case with at least the example plugins Clipit and Distort. In all cases Bitwig gives the error undefined symbol deflateinit_ or undefined symbol deflateinit2_

I tried inner Pitch and it's running fine.

The solution was to add -lz to the lflags in the dub.json file.

[p0nce]

Hello, thanks! This sounds like a more modern ldc2 phobos lib requiring zlib, annoying.
You can probably workaround that using LDC 1.28

[gaheldev]

Using the -lz solution would create issues when distributing the plugin?

[p0nce]

Probably not indeed. Hard to say.

But using a recent LDC will create issues with the libc version when distributing.
LDC 1.28.0 is warmly recommended for Linux distribution. (see: https://linuxmusicians.com/viewtopic.php?p=160822&sid=cf06c312589610a33e16ff5385fde109#p160822)

[p0nce]

Mmmm I don't exactly remember if it was Ubuntu that needed downgrade or LDC for that issue. I think you need both ubuntu-20.04 (or equivalent) and a LDC around 1.28 for most diverse distribution. This should probably be documented somewhere.

[gaheldev]

Well, because of glibc you'd need the oldest distribution you want to support I suppose. Thanks for the heads up with LDC version 👍

[p0nce]

Hello, reopening! I'd like to:

• add this flag if I'm sure if doesn't restrict compatibility
• document the recommended Linux build as done above