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POGems with .NET Applications - How do I set up the Executables so they run without error?
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  1. POGems with .NET Applications - How do I set up the Executables so they run without error?
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    copied!<p>I have a gem, <a href="http://rubygems.org/gems/roundhouse" rel="nofollow noreferrer">roundhouse</a>, which is an application compiled with .NET (C#). Runs on Windows and it should run in a 32 bit process.</p> <p>To set up my gemspec, I set:</p> <pre><code> Gem::Specification.new do |s| s.platform = 'mswin32' s.name = 'roundhouse' s.version = version s.files = Dir['lib/**/*'] + Dir['bin/**/*'] s.bindir = 'bin' s.executables &lt;&lt; 'rh.exe' </code></pre> <p>When I install the gem, I should be able to type rh.exe from the command line at any path and it should run correctly.</p> <p>In practice, I'm not seeing this work correctly. This is what I'm getting back:</p> <blockquote> <p>Window has this for the header: 16 bit MS-DOS Subsystem</p> <p>C:\WINDOWS\system32\cmd.exe - rh.exe </p> <p>The NTVDM CPU has encountered an illegal instruction.</p> <p>CS:xxxx IP:xxxx OP:xx xx xx xx xx Choose 'Close' to terminate the application.</p> </blockquote> <p>Here is a picture of the issue (link to TwitPic): <a href="http://twitpic.com/25b5ev" rel="nofollow noreferrer">Error</a></p> <p>If I go to the directory where the item was installed, I can run it and it works great. It's just something in the registration of the command to run from anywhere.</p> <p>I did quite a bit of searching before asking and came up with nothing. It could be that I don't know what I should be searching for. So let me ask the question, is there a way to register an executable with gems for windows executable applications (built with .NET) and have them register properly with the command line? If so, how is that done? </p> <p><strong>UPDATE:</strong> I found that gems creates a shim in the C:\Ruby\bin directory that points back to the other file. So there is a rh.exe file that is really just a text file. This is its contents:</p> <pre><code>#!C:/Ruby/bin/ruby.exe # # This file was generated by RubyGems. # # The application 'roundhouse' is installed as part of a gem, and # this file is here to facilitate running it. # require 'rubygems' version = "&gt;= 0" if ARGV.first =~ /^_(.*)_$/ and Gem::Version.correct? $1 then version = $1 ARGV.shift end gem 'roundhouse', version load Gem.bin_path('roundhouse', 'rh.exe', version) </code></pre>
 

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