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POWhat would cause native gem extensions on OS X to build but fail to load?
 

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  1. POWhat would cause native gem extensions on OS X to build but fail to load?
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    <p>I am having trouble with some of my rubygems, in particular those that use native extensions.</p> <p>I am on a MacBookPro, with Snow Leopard. I have XCode 3.2.1 installed, with gcc 4.2.1. Ruby 1.8.6, because I'm lazy and a scaredy cat and don't want to upgrade yet. Ruby is running in 32-bit mode. I built this ruby from scratch when my MBP ran OSX 10.4.</p> <p>When I require one of the affected gems in irb, I get a Load Error for the gem extension's bundle file. For example, here's nokogigi dissing me:</p> <blockquote> <p>&gt; require 'rubygems'<br> => true<br> &gt; require 'nokogiri'<br> LoadError: Failed to load /usr/local/lib/ruby/gems/1.8/gems/nokogiri-1.4.1/lib/nokogiri/nokogiri.bundle</p> </blockquote> <p>This is also happening with the Postgres pg and MongoDB mongo gems.</p> <p>My first thought was that the extensions must not be building right. But gem install wasn't throwing any errors. So I reinstalled with the verbose flag, hoping to see some helpful warnings. <a href="http://pastie.org/895447" rel="nofollow noreferrer">I've put the output in a Pastie</a>, and the only warning I see is a consistent one about "passing argument n of ‘foo’ with different width due to prototype."</p> <p>I suspect that this might be an issue from upgrading to Snow Leopard, but I'm a little surprised to experience it now, since I've updated my XCode. Could it stem from running Ruby in 1.8.6? I'm embarrassed that I don't know quite enough about my Mac and OSX to know where to look next, so any guidance, even just a pointer to some document I couldn't find via Google, would be most welcome. </p> <p>Michael</p>
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    1. USgoodmike
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    1. CODid you check if the ruby executable you're kicking off is the one you built or the one that comes with MacOS X?
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      1. POWhat would cause native gem extensions on OS X to build but fail to load?
      1. USTimo Geusch
    2. COIt tells me it's ruby 1.8.6 (2007-03-13 patchlevel 0) [i686-darwin8.8.5]
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      1. POWhat would cause native gem extensions on OS X to build but fail to load?
      1. USgoodmike
    3. COStrange. Do gems without native extensions load ok?
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      1. POWhat would cause native gem extensions on OS X to build but fail to load?
      1. USMarc-André Lafortune
 

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