# Linux headers

**URL:** <https://www.ruby-forum.com/t/linux-headers/161693>\
**Category:** Ruby\
**Created:** [March 1, 2009, 5:59am UTC](https://www.ruby-forum.com/t/linux-headers/161693 "2009-03-01T05:59:54Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Krister\_Johnson](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/k/41988e/32.png) [@Krister\_Johnson](https://www.ruby-forum.com/u/Krister_Johnson)\
**Post date:** [March 1, 2009, 5:59am UTC](https://www.ruby-forum.com/t/linux-headers/161693/1 "2009-03-01T05:59:54Z")

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I’m using rake to install rubygame and I’m running into an error where  
ruby.h cannot be found. I’ve never understood - where does rake look for  
this header file? And are the dev headers distributed separately? I’m  
running 1.9 and i compiled and installed it from source on Ubuntu  
Linux…but it would appear that the headers are not installed at the  
same  
time? I’m surprised at how little info I’ve been able to find on this.  
Any  
thing you guys can point me to to educate myself on the intricacies of  
ruby  
header installation and location would help.