Fixing the "mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h" error on CentOS
I was trying to install compass on one of my VMs the other day and I ran into this error:
[vagrant@unknown080027e8e390 public]$ sudo gem install compass
Building native extensions. This could take a while...
ERROR: Error installing compass:
ERROR: Failed to build gem native extension.
/usr/bin/ruby extconf.rb
mkmf.rb can't find header files for ruby at /usr/lib/ruby/ruby.h
Gem files will remain installed in /usr/lib/ruby/gems/1.8/gems/ffi-1.9.6 for inspection.
Results logged to /usr/lib/ruby/gems/1.8/gems/ffi-1.9.6/ext/ffi_c/gem_make.out
The quickfix for this is to install the ruby development package:
sudo yum -y install ruby-devel
I'm not sure why CentOS doesn't install this with rubygems...
Scott Keck-Warren
Scott is the Director of Technology at WeCare Connect where he strives to provide solutions for his customers needs. He's the father of two and can be found most weekends working on projects around the house with his loving partner.
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