Curb installation problem on WinXp. Please Help

Hello all,

I am a new commer in the world of ruby. I have interest on web scraping.
So I download curb and try to install it on my winxp pc. but it give me
the following error:


C:>gem install curb

Need to update 1 gems from http://gems.rubyforge.org
.
complete
Building native extensions. This could take a while…
*** 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=c:/ruby/bin/ruby
–with-curl-dir
–without-curl-dir
–with-curl-include
–without-curl-include=${curl-dir}/include
–with-curl-lib
–without-curl-lib=${curl-dir}/lib
–with-curllib
–without-curllib

ERROR: While executing gem … (RuntimeError)
ERROR: Failed to build gem native extension.
Gem files will remain installed in
c:/ruby/lib/ruby/gems/1.8/gems/curb-0.1.2 for
inspection.

Results logged to
c:/ruby/lib/ruby/gems/1.8/gems/curb-0.1.2/ext/gem_make.out

Is there any one who help me on this issu?

Regards,
Shuvo.