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From "Shane Witbeck" <>
Subject issues installing buildr
Date Mon, 12 May 2008 17:59:48 GMT
I'm trying to do a fresh install of Buildr version 1.2.10 with MRI. Is
there a trick to getting rjb installed on windows?

C:\>gem install buildr -v 1.2.10
Bulk updating Gem source index for:
Building native extensions.  This could take a while...
ERROR:  Error installing buildr:
        ERROR: Failed to build gem native extension.

C:/ruby/bin/ruby.exe extconf.rb install buildr -v 1.2.10
checking for jni.h... no
*** 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:

Gem files will remain installed in
C:/ruby/lib/ruby/gems/1.8/gems/rjb-1.1.3 for inspection
Results logged to C:/ruby/lib/ruby/gems/1.8/gems/rjb-1.1.3/ext/gem_make.out


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