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I'm trying to install a gem in debian using 

gem install typhoeus

but I just keep getting this error message. I've tried a few things but they obviously didn't work. Could use some ideas, I'm new to both unix and ruby so go easy =)

root@asdf:/home/asdf# gem install typhoeus
Fetching: ffi-1.9.3.gem (100%)
Building native extensions.  This could take a while...
ERROR:  Error installing typhoeus:
    ERROR: Failed to build gem native extension.

    /usr/bin/ruby1.9.1 -r ./siteconf20140719-30469-1rufzif.rb extconf.rb
/usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb:54:in `require': cannot load such file -- mkmf (LoadError)
    from /usr/local/lib/site_ruby/1.9.1/rubygems/core_ext/kernel_require.rb:54:in `require'
    from extconf.rb:4:in `<main>'

extconf failed, exit code 1

Gem files will remain installed in /usr/lib/ruby/gems/1.9.1/gems/ffi-1.9.3 for inspection.
Results logged to /usr/lib/ruby/gems/1.9.1/extensions/x86-linux/1.9.1/ffi-1.9.3/gem_make.out

Here's the gem from github: https://github.com/typhoeus/typhoeus

Codezilla
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  • possible duplicate of [\`require': no such file to load -- mkmf (LoadError)](http://stackoverflow.com/questions/7645918/require-no-such-file-to-load-mkmf-loaderror) – Jahaja Jul 20 '14 at 05:52

1 Answers1

2

Check out the answer here...

`require': no such file to load -- mkmf (LoadError)

Seems you need to install the development package for ruby on your system. You should be able to do this with either...

$ dpkg --install ruby1.9.1-dev.deb

...or...

$ apt-get install ruby1.9.1-dev
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robnasby
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  • I ended up installing the development version of ruby (i would have thought every version of ruby was the development version of ruby but guess not). – Codezilla Jul 20 '14 at 07:30
  • On some Linux distro, they separate out -dev versions of software. For libraries, this means including the headers, so one can link against them. For Ruby, I guess this means the tools needed to compile native extensions (extensions written in C, rather than Ruby). – robnasby Jul 20 '14 at 07:39