From: Junkone <junkone1@...>
Date: 2008-02-16T10:19:57+09:00
Subject: cannot install eventmachine.

i cannot install event machine. i get error. i tried all the options.

E:\Documents and Settings\Trade>gem install eventmachine
Select which gem to install for your platform (i386-mswin32)
 1. eventmachine 0.10.0 (ruby)
 2. eventmachine 0.9.0 (ruby)
 3. eventmachine 0.8.1 (i386-mswin32)
 4. eventmachine 0.8.1 (ruby)
 5. Skip this gem
 6. Cancel installation
> 1
Building native extensions.  This could take a while...
ERROR:  While executing gem ... (Gem::Installer::ExtensionBuildError)
    ERROR: Failed to build gem native extension.

ruby extconf.rb install eventmachine
checking for windows.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:
        --with-opt-dir
        --without-opt-dir
        --with-opt-include
        --without-opt-include=${opt-dir}/include
        --with-opt-lib
        --without-opt-lib=${opt-dir}/lib
        --with-make-prog
        --srcdir=.
        --curdir
        --ruby=e:/ruby/bin/ruby


Gem files will remain installed in e:/ruby/lib/ruby/gems/1.8/gems/
eventmachine-0.10.0 for inspection.
Results logged to e:/ruby/lib/ruby/gems/1.8/gems/eventmachine-0.10.0/
ext/gem_make.out