I've narrowed it down somewhat. With Go 1.17.13 it works. With Go1.18 RC it
fails. So something in the first release of Go 1.18 seems to have changed
how trimpath / plugin version matching works, and has broken previously
working functionality for us (I'm compiling exactly the same code - the
*only* difference is the compiler version).
On Tuesday 26 March 2024 at 16:36:31 UTC William Ivory wrote:
> Hi,
>
> Wondering if anyone can help me with a golang plugin problem. Apologies
> for not being able to provide a simple reproduction - the problem is all
> bound up in the Debian (dh-golang) build system.
>
> Anyway, our product is based on Debian. We have code using plugins that
> has been working fine with golang 1.11 (Debian10) and golang 1.15
> (Debian11). For the plugin user, we use dh-golang in the debian/rules file
> which adds '-trimpath', and when building the plugin, we explicitly build
> with '-trimpath -buildmode=plugin'. Now that we have upgraded to Debian12
> (golang 1.19), every attempt to load a plugin results in the following
> error:
>
> 'plugin.Open("<plugin-name>"): plugin was built with a different version
> of package plugin'
>
> If I remove '-trimpath' from one half of the build (plugin user, or
> plugin), I start getting a (seemingly) random assortment of packages being
> listed, but with trimpath specified, it is 'package plugin' every single
> time. This makes me think the problem is different to the usual one where
> we have managed to get mismatches due to the lack of trimpath in one half
> of the build previously.
>
> I've tried going back from dh-golang version 1.59 (Debian12) to 1.51
> (Debian11) but no joy. I'm currently trying to step back through Go 1.18 -
> Go 1.15 to see when it starts working again, but that's proving tricky.
>
> Has anyone seen anything similar / got any suggestions?
>
> Thanks,
>
> William
>
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