[Slackbuilds-users] libwebkit2gtk vs. libwebkitgtk4.1

[Tim Dickson]

One will overwrite the other. They are the same source, but one includes 
some extra libs, so has extra build options.
The main issue is with libsoup3 used by v4.1 vs. libsoup2 used by v4.0
executables containing libs which use both libsoup2 and libsoup3 will 
not run
(due to sharing the same namespace, and are written to detect this and 
quit), so if your program uses
some libs built with libwebkit2gtk4.0 and some built with 
libwebkit2gtk4.1 you will get this issue if the libs use soup3 and soup2.
It is typically a run-time issue.
For example, in xiphos built with libwebkit2gtk4.1, if you built yelp (a 
dep) with libwebkit2gtk(4.0) then when you attempt to access help within 
the application, it will crash.
not every app uses soup, so will not be affected, but those that do will 
break.
Because some applications can't be updated due to slackware core libs 
being too old, we get this situation. Some projects will work with 
existing libs, and so have been updated, and some don't so have not. 
unfortunately that means you have to do some choosing as to what 
programs you can run.
Once slackware 15.1 or whatever it will be numbered comes out, that 
issue will go away.

regards, Tim

On 28/07/2025 13:04, Jim wrote:
> The comment for each of these in the 15.0 repository says
>          Don't install both at the same time!!
> I have (for better or worse) installed both at the same time, and except
> for /usr/bin/WebKitWebDriver the packages seem to be disjoint.
>
> Is the "Don't install..." comment archaic or (with the possible exception
> of WebKitWebDriver) are there some "gotchas" waiting to trip up the unwary?
>
> Thanks.
>
>                                  Jim
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