Ruby-yarv

i made a yarv version of ruby19, so i tried ro use it.

for example, i tried to install rubygems with the -rite option :

with this option, it fails, without it succeeds.

any idea ?

before the execution traces.

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$ ruby -rite setup.rb
in `dup': can't dup NilClass (TypeError)
        from /usr/local/lib/ruby/1.9/i386-cygwin/rbconfig.rb:141:in `module' (i
block)
        from in `each'
        from /usr/local/lib/ruby/1.9/i386-cygwin/rbconfig.rb:141:in `module'
        from /usr/local/lib/ruby/1.9/i386-cygwin/rbconfig.rb:5
        from in `require'
        from setup.rb:52
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