Package Details: unreal-engine 5.5.0-0

Git Clone URL: https://aur.archlinux.org/unreal-engine.git (read-only, click to copy)
Package Base: unreal-engine
Description: A 3D game engine by Epic Games which can be used non-commercially for free.
Upstream URL: https://www.unrealengine.com/
Keywords: 3D engine game ue5 Unreal
Licenses: GPL3, custom:UnrealEngine
Submitter: acerix
Maintainer: Shatur
Last Packager: Neko-san
Votes: 76
Popularity: 0.045758
First Submitted: 2016-05-01 18:37 (UTC)
Last Updated: 2024-11-16 03:10 (UTC)

Dependencies (29)

Required by (1)

Sources (6)

Pinned Comments

Neko-san commented on 2022-11-01 02:32 (UTC) (edited on 2023-06-25 01:19 (UTC) by Neko-san)

@juancarlospaco this is easily done on your own system, not in a PKGBUILD, given that building packages runs as root:

sudo groupadd unrealengine-users
sudo usermod -aG unrealengine-users (your-username)
sudo chown -R root:unrealengine-users /opt/unreal-engine
sudo chmod -R 775 /opt/unreal-engine

Permission issues like this are already mentioned on the UE Arch wiki page: https://wiki.archlinux.org/title/Unreal_Engine_4#Installing_from_the_AUR

This is a user system problem; I already did what I could without needing users to do the above by giving the 777 permissions. If it still gives you trouble, you'll have to use the example to solve it or change the install location to somewhere you have user permissions by default (as I cannot do this for you).

zerophase commented on 2021-05-27 08:15 (UTC) (edited on 2021-05-30 08:41 (UTC) by zerophase)

Will update to 5.0 when it is released.

Latest Comments

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Neko-san commented on 2022-11-22 17:38 (UTC) (edited on 2022-11-22 17:40 (UTC) by Neko-san)

${_install_dir} is explicitly defined in the PKGBUILD here: https://aur.archlinux.org/cgit/aur.git/tree/PKGBUILD?h=unreal-engine&id=c866141788f5c52cd32ddfaea3e8f5f5ca57b3ae#n48

As you can clearly see in the package() function later, I never call this variable more than once, nor do I call any absolute path twice in the way you're experiencing. Again, the code's logic is sound; if you don't believe me, either ask someone else who knows bash and/or use https://shellcheck.net

I'm not usually one to adamantly defend my work when criticized, but I know what I do and don't do in the script, so I can't help you with an issue that isn't clearly defined in code. As such, you can try filing an Arch Linux bug (https://bugs.archlinux.org) and find out if it's actually a problem with makepkg, but there's absolutely nothing I can do for you if you can't prove there's a problem in the written logic of this file.

coolitic commented on 2022-11-22 13:10 (UTC) (edited on 2022-11-22 13:11 (UTC) by coolitic)

I can confirm that I personally am not using an AUR helper...

The reason I mentioned ${_install_dir} is because it looks like the script is adding the absolute path twice, and it's always used together w/ ${pkgdir}, which is why I asked if it may have been the culprit.

Neko-san commented on 2022-11-22 05:09 (UTC) (edited on 2022-11-22 05:10 (UTC) by Neko-san)

Once again: /home/joshua/.cache/yay/unreal-engine/src/unreal-engine//home/joshua/.cache/yay/unreal-engine/src/unreal-engine/*

This path does not exist because whatever your system is doing is adding more to than it should to the actual path; furthermore, don't use an AUR helper with this package because they have a history of not working correctly with it for some reason.

Also, to answer your question, there used to be a ccache patch but it was only applicable for UE4; someone from community will have to volunteer to make a new one before I can include it.

kerm commented on 2022-11-22 04:55 (UTC)

Hmm another error...

mv: cannot stat '/home/joshua/.cache/yay/unreal-engine/src/unreal-engine//home/joshua/.cache/yay/unreal-engine/src/unreal-engine/*': No such file or directory

This is becoming quite tedious, is their a way that the built files can be cached... having to re-run the update completely takes hours only to error again

coolitic commented on 2022-11-22 03:09 (UTC)

I am doubtful that there is something wrong w/ my system-configuration regarding that, considering that I have installed other packages in the same aur folder on my external drive that utilize the $pkgdir variable, and they don't seem to have any strange folder layouts under the pkg folder.

But I guess I'll have to look for solutions on my own, all things considered.

Neko-san commented on 2022-11-22 01:48 (UTC) (edited on 2022-11-22 01:49 (UTC) by Neko-san)

No, it doesn't. ${_install_dir} is a relative path and I only ever call it when touching things inside of ${pkgdir} for packaging; now, ${pkgdir} IS an absolute path, but I don't define that, makepkg does.

That being said, the only way that can go wrong is if your system somehow misinterprets what ${pkgdir} means. That's completely out of my hands.

Additionally, you might have your drive mounted via your desktop environment instead of /etc/fstab; in which case, I advise you mount with fstab instead to minimize other potential interferences on your system. That said, I'm not responsible for the reason why.

coolitic commented on 2022-11-22 00:31 (UTC) (edited on 2022-11-22 00:54 (UTC) by coolitic)

I have not only rebooted my system plenty of times, I've also run this script from a fresh-clone. If it helps at all, that path is for my external drive, which shouldn't have any problems as I store all my AUR packages on an external drive.

I'm not well-versed in creating AUR packages, but is it possible that ${_install_dir} is utilizing an absolute path?

Neko-san commented on 2022-11-22 00:28 (UTC)

Then point out where in the script and prove it, because I've been over this thing over 17 times

coolitic commented on 2022-11-22 00:26 (UTC)

That path is simply the absolute path, since my package is in /run/media/username/SE800/sources/aur/unreal-engine/. Meaning somewhere in the script, an absolute path is being used, which is obviously incorrect.

Neko-san commented on 2022-11-22 00:08 (UTC) (edited on 2022-11-22 00:08 (UTC) by Neko-san)

I've made changes to it now to use more explicit paths and to use find to look xbuild and mcs now

As for this: /run/media/username/SE800/sources/aur/unreal-engine/pkg/unreal-engine/opt/unreal-engine/run/media/username/SE800/sources/aur/unreal-engine/src/unreal-engine/

This path isn't represented in the bash code at all; I advise that you reboot your system

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