Can't upgrade LyX on Focal Fossa

[José Abílio Matos]

On Wednesday, 22 July 2020 19.23.10 WEST Jean-Marc Lasgouttes wrote:
> Liviu, I would advise to configure with --enable-qt5 (will be the defalt
> in 2.4.0) for recent versions. It almost works with 16.04 (actually it
> works but outputs annoying messages on console) and actually works with
> later versions, AFAIK.
> 
> JMarc

Taking my Fedora hat here :-) I have changed to qt5 with lyx 2.3 and it 
worked.

The most demanding part, in Fedora's case, was that the development 
dependencies were more refined in qt5 packages than with qt4.

What I mean is that with qt4 it was enough to require qt4-devel for building 
while in qt5 it does not exists this umbrella package and instead we have to 
require finer development packages.

BuildRequires: pkgconfig(Qt5Core)
BuildRequires: pkgconfig(Qt5Widgets)
BuildRequires: pkgconfig(Qt5Gui)
BuildRequires: pkgconfig(Qt5Svg)
BuildRequires: pkgconfig(Qt5X11Extras)

Regards,
-- 
José Abílio
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