[Pkg-rust-maintainers] Bug#955638: Bug#955638: cargo: please package recent version

[Ximin Luo]

Carsten Schoenert:
> Hello Ximin,
> 
> Am 04.04.20 um 02:17 schrieb Ximin Luo:
>> Hi Carsten, it might be a couple of weeks until we get this done.
>> Have you tried just deleting the version constraint and using the
>> existing version in Debian sid?
> I've tried to figure out the right place there this version check is
> happen. In most cases this is file ./old-configure.in within the
> Thunderbird sources. But I did have no luck on this until now. I will
> look further into this part this weekend I guess, mostly the version
> checks from the Firefox environment are to strict for Thunderbird, yes.
> Most of the parts from the Firefox source are not built for Thunderbird
> but the configure script is checking this.
> 

An alternative to deleting the version check is to grep for '1\.41' and changing this to '1\.39' the version we currently have, it might be easier than trying to look for the logic in the code.

> In the long term this is always just a workaround which, if I do this, I
> need to proof deeply before uploading new packages even to experimental.
> So if you ever find time to have a look into newer cargo versions please
> keep an eye on this.
> 

Yes, I will update cargo immediately after I get rustc 1.42 into Debian, which is currently blocked on NEW.

> It's currently really frustrating that I'm unable to build a recent
> Thunderbird Beta version due every time new version dependencies around
> Rust are popping up. This is not your fault, but shows me how complex
> and fragile the Rust ecosystem currently is.
> 
> The built is just the first problem I need to solve, Mozilla has again
> changed some previously internally parts in Thunderbird and I need to
> adopt the Debian built to this again.
> 

X

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