# RSRUBY installation in Windows XP

**URL:** <https://www.ruby-forum.com/t/rsruby-installation-in-windows-xp/160394>\
**Category:** Ruby-Forum\
**Created:** [February 15, 2009, 9:36pm UTC](https://www.ruby-forum.com/t/rsruby-installation-in-windows-xp/160394 "2009-02-15T21:36:49Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![rtosas](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/r/eb8c5e/32.png) [@rtosas](https://www.ruby-forum.com/u/rtosas)\
**Post date:** [February 15, 2009, 9:36pm UTC](https://www.ruby-forum.com/t/rsruby-installation-in-windows-xp/160394/1 "2009-02-15T21:36:49Z")

</div>

I am using R-2.8.1 in my XP windows environment.

When i used gem to install i got the following error. Any help to  
resolve is gratefully appreciated. Thanks

Note that i also tried with out remote option; i get the same error.

===

C:\ruby\bin\>gem install rsruby --remote  
Building native extensions. This could take a while…  
ERROR: While executing gem … (Gem::Installer::ExtensionBuildError)  
ERROR: Failed to build gem native extension.

ruby extconf.rb install rsruby --remote  
checking for main() in R.lib… no

ERROR: Cannot find the R library, aborting.  
\*\*\* extconf.rb failed \*\*\*  
Could not create Makefile due to some reason, probably lack of  
necessary libraries and/or headers. Check the mkmf.log file for more  
details. You may need configuration options.

Provided configuration options:  
–with-opt-dir  
–without-opt-dir  
–with-opt-include  
–without-opt-include=${opt-dir}/include  
–with-opt-lib  
–without-opt-lib=${opt-dir}/lib  
–with-make-prog  
–srcdir=.  
–curdir  
–ruby=c:/ruby/bin/ruby  
–with-R-dir  
–without-R-dir  
–with-R-include  
–without-R-include=${R-dir}/include  
–with-R-lib  
–without-R-lib=${R-dir}/lib  
–with-Rlib  
–without-Rlib

Gem files will remain installed in  
C:/ruby/lib/ruby/gems/1.8/gems/rsruby-0.5.1.1  
for inspection.  
Results logged to  
C:/ruby/lib/ruby/gems/1.8/gems/rsruby-0.5.1.1/ext/gem\_make.out

=====