I’m running Ubuntu Linux 15.04,
EDIT: I run clang 3.5.2, and A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums 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 A new, community-hosted Unreal Engine Wiki - Announcements - Epic Developer Community Forums
But, the build failed and I got the following error.
bash "/home//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//UnrealEngine/Engine/Intermediate/Build/Linux/x86_64-unknown-linux-gnu/UE4Editor/Development/FixDependencies.sh" && touch "/home//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//UnrealEngine/Engine/Intermediate/Build/Linux/x86_64-unknown-linux-gnu/UE4Editor/Development/UnrealEd/Module.UnrealEd.16_of_18.cpp:20:
/home//UnrealEngine/Engine/Source/Editor/UnrealEd/Private/Settings/SettingsClasses.cpp:359:25: error: equality comparison result unused [-Werror,-Wunused-comparison]
BuildGameBeforeLaunch == EPlayOnBuildMode::PlayOnBuild_Never;
~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/home//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//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!