[rkward] [Bug 450479] Cannot start the software: R engine has died, The backend process failed to start with exit code 6.

[Thomas Friedrichsmeier]

https://bugs.kde.org/show_bug.cgi?id=450479

--- Comment #2 from Thomas Friedrichsmeier <thomas.friedrichsmeier at kdemail.net> ---
Ok, I did some testing. I can replicate the problem with R 4.1. Problem is that
one of the linked libraries tries to use a path from R 4.0 (which is what the
RKWard binary was compiled against).

Installing R 4.0, instead of 4.1, allows RKWard to start. I am aware this is
not exactly a fix, and worse, it seems RKWard will not start when both R 4.0
and R 4.1 are installed in parallel, either.

A solution to this should be as "easy" as building a new version compiled
against R 4.1. Unfortunately, our build process on Mac is currently broken due
to an unrelated issue (
https://mail.kde.org/pipermail/kde-windows/2022-February/011609.html ), so this
may take a while.

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