# Installing Ruby and the ext/Setup file

**URL:** <https://www.ruby-forum.com/t/installing-ruby-and-the-ext-setup-file/164318>\
**Category:** Ruby\
**Created:** [March 31, 2009, 5:50am UTC](https://www.ruby-forum.com/t/installing-ruby-and-the-ext-setup-file/164318 "2009-03-31T05:50:42Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![Awv](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/e274bd/32.png) [@Awv](https://www.ruby-forum.com/u/Awv)\
**Post date:** [March 31, 2009, 5:50am UTC](https://www.ruby-forum.com/t/installing-ruby-and-the-ext-setup-file/164318/1 "2009-03-31T05:50:42Z")

</div>

Hello,

I just finished installing Ruby 1.9.1 on Mac OS 10.5.6 and I have a  
few questions. There are probably some basics I’m missing here. This  
is the first time I’ve had to install Ruby since 1.8.6 came pre-  
installed, so perhaps this is part of the normal setup, but I wouldn’t  
know. Thanks for helping me out!

Question 1:  
At first I just did a basic install running ./configure, make, make  
test, sudo make install. ruby -v returns 1.9.1, and ‘which ruby’  
points to the correct location. My path is set up to find it. But when  
I ran ri to test things, I got a require File Not Found error for  
stringio. I went back and modified the ext/Setup file and removed the

# before stringio. I’m puzzled as to why stringio is found when

directly linked but not dynamically.

It did fix the file not found error at any rate. I had to repeat the  
procedure with syck as well. At the end of a few make, make install  
sequences, I was able to run ri with no errors.

Now I’m kind of unsettled by having to modify the ext/Setup file. As  
far as I know, I haven’t changed anything about stringio or syck that  
would make them non-standard. Have I got something set up in a strange  
way that ruby wouldn’t be able to build correctly the first time? I’m  
worried this file not found error will crop up in the future as I try  
to require different things. I’m hoping I can get some direction to  
learn more about stringio and syck and why I needed to link them  
directly. Is it a quirk of my system, or just something I don’t  
understand fully.

Question 2:  
Even after the above is complete, ‘make test’ gave me 1 error on  
test\_io.rb:

#223 test\_io.rb:11:in `\<top (required)\>’:  
begin  
require “io/nonblock”  
r, w = IO.pipe  
w.nonblock = true  
w.write\_nonblock(“a” \* 100000)  
w.nonblock = false  
t1 = Thread.new { w.write(“b” \* 4096) }  
t2 = Thread.new { w.write(“c” \* 4096) }  
sleep 0.5  
r.sysread(4096).length  
sleep 0.5  
r.sysread(4096).length  
t1.join  
t2.join  
rescue LoadError  
end  
#=\> not finished in 10 seconds [ruby-dev:32566]

I’m not sure what this error means, or how severe it is. Something  
timed out (I guess), but I’m not really clear what. I’m also not sure  
if I need to address it because the install seems to be working.

---

<div class="post-metadata">

**Author:** ![Awv](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/a/e274bd/32.png) [@Awv](https://www.ruby-forum.com/u/Awv)\
**Post date:** [March 31, 2009, 6:07am UTC](https://www.ruby-forum.com/t/installing-ruby-and-the-ext-setup-file/164318/2 "2009-03-31T06:07:41Z")

</div>

I had the exact same sort of problems and had to completely uninstall to  
get back to the stable 1.8.6

Is anyone looking at this obvious problem for MacOSX?

Doesn’t instill a lot of confidence.

Sent from my Verizon Wireless BlackBerry