# What is #include "Welcome/to/xxxxx.h"?

**URL:** <https://forums.unrealengine.com/t/what-is-include-welcome-to-xxxxx-h/858>\
**Category:** C++\
**Tags:** unreal-engine\
**Created:** [March 25, 2014, 2:50am UTC](https://forums.unrealengine.com/t/what-is-include-welcome-to-xxxxx-h/858 "2014-03-25T02:50:31Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![BlackFangTech](https://d3kjluh73b9h9o.cloudfront.net/original/4X/2/8/5/28502927f1d97ba1051b3b47ccfe17233bf41ef0.png) [@BlackFangTech](https://forums.unrealengine.com/u/BlackFangTech)\
**Post date:** [March 25, 2014, 2:50am UTC](https://forums.unrealengine.com/t/what-is-include-welcome-to-xxxxx-h/858/1 "2014-03-25T02:50:31Z")

</div>

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Iv’e been following this guide to integrate the Sixense SDK available from their website.  
If I comment out the line, it compiles, but then it is not including the precompiled header for the sixensed.dll.  
Iv’e tried adding an include path to it in my .Build.cs, but it still did not find the header on compile.