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UE4 Editor for Linux build fail

I'm running Ubuntu Linux 15.04, EDIT: I run clang 3.5.2, and https://wiki.unrealengine.com/Linux_Known_Issues#UE4Editor says that is it a known issue but provides no information on how to troubleshoot it. and I was following the linux compilation instructions. I started building the editor as in https://wiki.unrealengine.com/Building_On_Linux#The_Editor But, the build failed and I got the following error.

 bash "/home/raghuallthetime/UnrealEngine"/Engine/Build/BatchFiles/Linux/Build.sh UE4Editor Linux Development  
 Building UE4Editor...
 Using clang version '3.5.2' (string), 3 (major), 5 (minor), 2 (patch)
 /bin/sh  -c '/bin/sh "/home/raghuallthetime/UnrealEngine/Engine/Intermediate/Build/Linux/x86_64-unknown-linux-gnu/UE4Editor/Development/FixDependencies.sh" && touch "/home/raghuallthetime/UnrealEngine/Engine/Intermediate/Build/Linux/x86_64-unknown-linux-gnu/UE4Editor/Development/UE4Editor.link"'
 Performing 146 actions (2 in parallel)
 [1/146] Compile Module.UnrealEd.16_of_18.cpp
 In file included from /home/raghuallthetime/UnrealEngine/Engine/Intermediate/Build/Linux/x86_64-unknown-linux-gnu/UE4Editor/Development/UnrealEd/Module.UnrealEd.16_of_18.cpp:20:
 /home/raghuallthetime/UnrealEngine/Engine/Source/Editor/UnrealEd/Private/Settings/SettingsClasses.cpp:359:25: error: equality comparison result unused [-Werror,-Wunused-comparison]
                 BuildGameBeforeLaunch == EPlayOnBuildMode::PlayOnBuild_Never;
 /home/raghuallthetime/UnrealEngine/Engine/Source/Editor/UnrealEd/Private/Settings/SettingsClasses.cpp:359:25: note: use '=' to turn this equality comparison into an assignment
                 BuildGameBeforeLaunch == EPlayOnBuildMode::PlayOnBuild_Never;
 1 error generated.
 -------- End Detailed Actions Stats -----------------------------------------------------------
 ERROR: UBT ERROR: Failed to produce item: /home/raghuallthetime/UnrealEngine/Engine/Binaries/Linux/libUE4Editor-UnrealEd.so
 Total build time: 31.89 seconds
 Makefile:171: recipe for target 'UE4Editor' failed
 make: *** [UE4Editor] Error 5

Please Help!

Product Version: UE 4.8 Preview
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asked May 14 '15 at 05:11 AM in Installation & Setup

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avatar image Doug E ♦♦ STAFF May 18 '15 at 03:12 PM

Hey RaghuAllTheTime-

Were you building the 4.8 branch from github or the 4.8Preview tag? If you were building from the tag, were you building preview 1 or preview 2? At what point in the build process did the failure occur (running Setup.sh, running GenerateProjectFiles.sh, etc.)? Do you have the same error when building other versions of the engine?


Doug Wilson

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Hey RaghuAllTheTime-

We've not heard back from you in a few days. I am marking this post as resolved for tracking purposes. Let us know if you're still having problems with installing the engine on your machine and we will continue to investigate.


Doug Wilson

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answered May 26 '15 at 04:25 PM

avatar image RaghuAllTheTime May 27 '15 at 11:18 AM

Ok I tried again, but I didn't clone. I downloaded the zip file. The build worked, but UE4Editor crashed. The thing was that, I had an unsupported graphics card. Sorry for wasting your time!

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