# OS X / gem install / problems

**URL:** <https://www.ruby-forum.com/t/os-x-gem-install-problems/86695>\
**Category:** Ruby\
**Created:** [February 24, 2007, 6:50pm UTC](https://www.ruby-forum.com/t/os-x-gem-install-problems/86695 "2007-02-24T18:50:09Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![brez](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/eada6e/32.png) [@brez](https://www.ruby-forum.com/u/brez)\
**Post date:** [February 24, 2007, 6:50pm UTC](https://www.ruby-forum.com/t/os-x-gem-install-problems/86695/1 "2007-02-24T18:50:09Z")

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Did some heavy research / hacking but no luck - I built ruby 1.8.5 on my  
little iBook [OS X 10.2.8] which went fine - I then went to install gem  
but got:

[ommitted]  
install user\_interaction.rb /usr/local/lib/ruby/site\_ruby/1.8/rubygems  
install validator.rb /usr/local/lib/ruby/site\_ruby/1.8/rubygems  
install version.rb /usr/local/lib/ruby/site\_ruby/1.8/rubygems  
\<— lib/rubygems  
\<— lib  
Illegal instruction

[Note the ‘Illegal instruction’]

and if I try to run gems I get:

/usr/local/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require': no such file to load -- sources (LoadError) from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in`require’  
from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/source\_info\_cache.rb:6  
from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in`require’  
from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/remote\_installer.rb:12  
from  
/usr/local/lib/ruby/site\_ruby/1.8/rubygems/custom\_require.rb:27:in  
`gem_original_require' from /usr/local/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:27:in`require’  
from /usr/local/lib/ruby/site\_ruby/1.8/rubygems.rb:112:in  
`manage\_gems’  
from /usr/local/bin/gem:10

Anyone got any thoughts? Thanks.

---

<div class="post-metadata">

**Author:** ![brez](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/eada6e/32.png) [@brez](https://www.ruby-forum.com/u/brez)\
**Post date:** [February 24, 2007, 10:08pm UTC](https://www.ruby-forum.com/t/os-x-gem-install-problems/86695/2 "2007-02-24T22:08:26Z")

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On 2/24/07, Brez! !! [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> Illegal instruction
> 
> [Note the ‘Illegal instruction’]

Remove rubygems from site\_ruby and try again. Make sure you’ve got  
zlib and openssl installed properly for building otherwise.

You may need to dig into what is actually causing the illegal  
instruction.

-austin

---

<div class="post-metadata">

**Author:** ![brez](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/b/eada6e/32.png) [@brez](https://www.ruby-forum.com/u/brez)\
**Post date:** [February 26, 2007, 1:57am UTC](https://www.ruby-forum.com/t/os-x-gem-install-problems/86695/3 "2007-02-26T01:57:22Z")

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Thanks for the response - but still no luck / ensure that openssl and  
zlib are there. deleted site\_ruby/rubygems but still getting the same  
error.

?

Austin Z. wrote:

> On 2/24/07, Brez! !! [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:
> 
> > Illegal instruction
> > 
> > [Note the ‘Illegal instruction’]
> 
> Remove rubygems from site\_ruby and try again. Make sure you’ve got  
> zlib and openssl installed properly for building otherwise.
> 
> You may need to dig into what is actually causing the illegal  
> instruction.
> 
> -austin