you can share gems by setting a location in .gemrc But there be dragons. because gem install will only generate the proper executable links for the version that is installing the gem.
if you don't want to download the gems all the time then you can just reuse the .gem file from Assuming you have ruby installed in /usr /usr/lib/ruby/gems/1.9.1/cache if you share a location you can use gem pristine gem_name to (re)install the gem in the other ruby version. for libraries that don't have any executables or native extensions that should work just fine. the core of the gems functionality is to add the paths /usr/lib/ruby/gems/1.9.1/gems/*/lib to the load path. The install process also copies the files from the gem/bin folder to /usr/lib/ruby/gems/1.9.1/bin and then to /usr/bin If you use homebrew then this stuff is hidden a little bit deeper because homebrew symlinks the lib,bin,var,.. folers from within a Cellar repository. So in short you should be able to do so but sometimes it might require a little bit of work to make it dance. http://blogs.sun.com/mandy/entry/rubygems_etc_gemrc --- Met vriendelijke groeten - Best regards - Salutations Ivan Porto Carrero Blog: http://flanders.co.nz Google Wave: portocarrero.i...@googlewave.com Twitter: http://twitter.com/casualjim Author of IronRuby in Action (http://manning.com/carrero) On Wed, Jan 6, 2010 at 12:38 AM, Ben Hall <ben200...@googlemail.com> wrote: > Hi guys, > > On my MacBook I'm noticing I'm having to install a gem three times > (MRI, IronRuby, JRuby) - which is getting really annoying :) > > Am I doing something wrong??? Is there a way around this?? > > Thanks > > Ben > _______________________________________________ > Ironruby-core mailing list > Ironruby-core@rubyforge.org > http://rubyforge.org/mailman/listinfo/ironruby-core >
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