[Bug 241490] x11-toolkits/qt5-gui: requires runtime dependency on mesa-dri

[bugzilla-noreply at freebsd.org]

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241490

Adriaan de Groot <adridg at freebsd.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|FIXED                       |---
             Status|Closed                      |Open

--- Comment #9 from Adriaan de Groot <adridg at freebsd.org> ---
There's another way about this, and that is pkg-message (which would say "if
you intend to use qt5-gui headless, install mesa-dri"). I'd forgotten about
monsters like llvm.

However, the point is this:
- without mesa-dri, a Qt5-gui-using application can't run the GUI (depending a
little on which code paths it takes, I'm sure)
- on the desktop, other things will pull in mesa-dri anyway

So it comes down to: are uses of qt5-gui where an application (that uses
qt5-gui) does *not* need mesa-dri? The original bug report has an n=1 incidence
of "no". Perhaps futzing with the QPA will do it (e.g. set the QPA to use
offscreen output; in which case I'd return to the pkg-message approach: at some
point you have to trust the user to put the parts together that cannot be
guessed)

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