On Thu, 4 Jun 2020 at 16:12, stan via users <users@xxxxxxxxxxxxxxxxxxxxxxx> wrote:
On Thu, 4 Jun 2020 08:55:57 -0700
stan <upaitag@xxxxxxxx> wrote:
> On Thu, 4 Jun 2020 11:19:15 -0400
> Jonathan Billings <billings@xxxxxxxxxx> wrote:
>
> > On Thu, Jun 04, 2020 at 04:41:45PM +0200, Patrick Dupre wrote:
> > > I cannot install scilab on fc32
Just for fun I decided to see if I could install this on F31. I
downloaded the following binary packages from koji,
jogl2-2.3.2-9.fc30.x86_64.rpm
[...]
jgraphx-3.6.0.0-9.fc31.noarch.rpm
and installed them using
dnf -C install [package list]
in the directory they were in. And it worked! I don't know the
software well enough to check it, though. Should also work on F32. I
think the issue is related to the degeneration of the Java stack in
Fedora. If I had to guess, I would say that is happening because java
is more popular in enterprises than with individual users.
Guessing is not required. Your are right. Most individual users are
forced to adopt openJDK:
TL;DNR: Oracle changed the license so enterprise Java users pay for
updates. There is openJDK, but Oracle JDK relies on some closed source
3rd party code that is missing in openJDK. In practice, many existing Java
apps don't run as well (or at all) on openJDK. Developers porting open
source codes to OpenJDK have focused on getting stuff working, performance
problems will be addressed later.
Scilab already uses openJDK (it needs a full JDK), but people are still
chasing bugs, so "your mileage may vary". Wayland complicates things.
Eventually, wayland should simplify linux graphics support n openJDK by
making it easier to keep in step with Windows and macOS. In the short
term, openJDK has needed a lot of work to support X11. Meanwhile
RedHat did some work on Wayland for OpenJDK that seems to have
been abandoned.
At present there is mostly usable wayland support in Eclipse.
I use software from ESA that does not work well using openJDK.
Work has started on a new version that will use a "to be determined"
free runtime.
--
George N. White III
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