Add Qt5 dependency for arch linux and debian/ubuntu

[Areiser]

No description provided.

[flash-fire]

It looks like I forgot to add the equivalent for apt get. Can you do that simultaneously to avoid two almost identical PRs?

[Areiser]

Sure, I added the qt5-default package for ubuntu and also removed the old wxwidget package. Maybe an ubuntu user can confirm it works with qt5-default installed as I am not using Ubuntu?

Edit: I just checked and travis/appveyor are actually building with Qt 5.9 which is not provided by the ubuntu package. Maybe ubuntu users have to manually install a higher version of Qt (the package provides 5.7.1 for the newest ubuntu version).
Is there a minimum version of Qt required?

[AniLeo]

AppVeyor builds with 5.8, which was the version initially targeted for QT. I don't think AppVeyor supports 5.9 yet (appveyor/ci#1588). Travis builds with 5.9.

There's an unofficial PPA for QT 5.8 on Ubuntu at https://launchpad.net/~beineri/+archive/ubuntu/opt-qt58-trusty if needed

[hcorion]

Yes, RPCS3 doesn't build with the old version of Qt Ubuntu trusty and xenial provide.
The unofficial qt 5.9 PPA is:
Trusty: https://launchpad.net/%7Ebeineri/+archive/ubuntu/opt-qt59-trusty
Xenial: https://launchpad.net/~beineri/+archive/ubuntu/opt-qt59-xenial
I'm not sure what the minimum is, but let's just say it's 5.8

[hcorion]

Oh, just realized Zesty is the latest version, which has Qt 5.7, it should work with Zesty then.

[Areiser]

I was just able to build rpcs3 on ubuntu 17.04 with clang 4.0 and a small modification.

I always hit this error though:
./bin/rpcs3
Fatal error:
Unhandled exception of type 'St13runtime_error': Can't create log file RPCS3.log (error Not found)
HOW TO REPORT ERRORS: Check the FAQ, README, other sources.
Please, don't send incorrect reports. Thanks for understanding.
Aborted (core dumped)

Any ideas?

Side note, running rpcs3 with sudo manages to crash sudo 😄

[hcorion]

Sounds like you have the same issue as #2821 , it seems to be a 17.04 issue.

[Areiser]

Building with gcc didn't work. Crazy memory leak and internal compiler error... Not sure what the problem is :/ Maybe my setup is broken but it is bare bones ubuntu...

At this point I'd rather wait until somebody who built rpcs3 on ubuntu before confirms/denies that this works.

[hcorion]

Maybe 17.04 is completely screwed?

[Areiser]

I'm not sure. gcc 5 also fails to compile it, same spot as 6.3 (on vm.cpp):
[ 45%] Building CXX object rpcs3/CMakeFiles/rpcs3.dir/Emu/Memory/vm.cpp.o
cc1plus: warning: /home/mainuser/Documents/Programmieren/rpcs3/rpcs3/cotire/rpcs3_CXX_prefix.hxx.gch: created by a different GCC executable
virtual memory exhausted: Cannot allocate memory
rpcs3/CMakeFiles/rpcs3.dir/build.make:4451: recipe for target 'rpcs3/CMakeFiles/rpcs3.dir/Emu/Memory/vm.cpp.o' failed

This is a bit confusing because surely people compiled rpcs3 on Ubuntu 17.04 before. I don't want this PR to turn into a debug session/issue though, so is Qt 5.7 package fine or should I remove it @AniLeo ?
If 5.8+ is needed, I could point to the PPA in the readme.

[hcorion]

I don't think we have any Ubuntu 17.04 users, other then the one in the issue I linked to earlier.
Currrently your running out of memory, are you running this in a VM? If so, try allocating more RAM.

[Areiser]

I finally managed to build it on my 8gb desktop. The compiler suddenly allocates a lot of memory when compiling vm.cpp so that ~5gb of ram is used on my machine (usually hovers at about 1gb when compiling rpcs3) and my laptop only has 4gb which is why it failed.

With one small include adjustment for QUrl which seems to be needed on Qt 5.7, it works on ubuntu 17.04 with Qt 5.7 from the official repositories!

[AniLeo]

You have to rebase with master and fix conflicts on travis script for it to build