[root@localhost UE4]# make
    bash "/home/krama/UE4"/Engine/Build/BatchFiles/Linux/Build.sh CrashReportClient Linux Shipping
    Building CrashReportClient...
    Using clang version '3.7.0' (string), 3 (major), 7 (minor), 0 (patch)
    Creating makefile for CrashReportClient (no existing makefile)
    Performing full C++ include scan (no include cache file)
    Building UnrealHeaderTool...
    Using clang version '3.7.0' (string), 3 (major), 7 (minor), 0 (patch)
    Creating makefile for UnrealHeaderTool (no existing makefile)
    Performing full C++ include scan (no include cache file)
    Performing 20 actions (4 in parallel)
    [3/20] Compile Module.Projects.cpp
    [4/20] Compile Module.CoreUObject.1_of_4.cpp
    [1/20] Compile CorePrivatePCH.h
    [2/20] Compile Module.Json.cpp
    [5/20] Compile Module.Core.7_of_7.cpp
    [6/20] Compile Module.Core.6_of_7.cpp
    [7/20] Compile Module.Core.5_of_7.cpp
    [8/20] Compile Module.Core.4_of_7.cpp
    [9/20] Compile Module.Core.3_of_7.cpp
    [10/20] Compile Module.Core.2_of_7.cpp
    [11/20] Compile Module.Core.1_of_7.cpp
    [12/20] Compile Module.CoreUObject.3_of_4.cpp
    [13/20] Compile Module.CoreUObject.4_of_4.cpp
    [14/20] Compile Module.CoreUObject.2_of_4.cpp
    [15/20] Link libUnrealHeaderTool-Core.so
    [16/20] Link libUnrealHeaderTool-Json.so
    [17/20] Link libUnrealHeaderTool-Projects.so
    [18/20] Compile Module.UnrealHeaderTool.cpp
    [19/20] Link libUnrealHeaderTool-CoreUObject.so
    [20/20] Link UnrealHeaderTool
    -------- End Detailed Actions Stats -----------------------------------------------------------
    Total build time: 519.49 seconds
    Parsing headers for CrashReportClient
      Running UnrealHeaderTool CrashReportClient "/home/krama/UE4/Engine/Intermediate/Build/Linux/B4D820EA/CrashReportClient/Shipping/UnrealHeaderTool.manifest" -LogCmds="loginit warning, logexit warning, logdatabase error" -Unattended -WarningsAsErrors -NoEnginePlugins
    Refusing to run with the root privileges.
    Error: Failed to generate code for CrashReportClient - error code: CrashOrAssert (3)
    UnrealHeaderTool failed for target 'CrashReportClient' (platform: Linux, module info: /home/krama/UE4/Engine/Intermediate/Build/Linux/B4D820EA/CrashReportClient/Shipping/UnrealHeaderTool.manifest).
    Makefile:262: recipe for target 'CrashReportClient-Linux-Shipping' failed
    make: *** [CrashReportClient-Linux-Shipping] Error 3