# Mkmf

**URL:** <https://www.ruby-forum.com/t/mkmf/94736>\
**Category:** Ruby\
**Created:** [May 12, 2006, 4:31pm UTC](https://www.ruby-forum.com/t/mkmf/94736 "2006-05-12T16:31:30Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![De\_dardel\_B](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/d/3ec8ea/32.png) [@De\_dardel\_B](https://www.ruby-forum.com/u/De_dardel_B)\
**Post date:** [May 12, 2006, 4:31pm UTC](https://www.ruby-forum.com/t/mkmf/94736/1 "2006-05-12T16:31:30Z")

</div>

I’m new to ruby world and I would like to install fxruby.  
My problem is : I don’t find anywhere the file ‘mkmf.rb’

Where can I find it ?  
Thanks

% sudo gem install fxruby-1.4.6.gem  
Attempting local installation of ‘fxruby-1.4.6.gem’  
Building native extensions. This could take a while…  
extconf.rb:4:in `require’: no such file to load – mkmf (LoadError)  
from extconf.rb:4