I can not install it on Windows xp

[archonwang]

Hi,

I tried to install it on Windows XP

unfortunately, when I use cammand line

gem install oniguruma

it appears an error.

+++++++++++++++++++++++++++++++++++++++++++

Temporarily enhancing PATH to include DevKit...
Building native extensions. This could take a while...
ERROR: Error installing oniguruma:
ERROR: Failed to build gem native extension.

    C:/Ruby187/bin/ruby.exe extconf.rb

checking for main() in -lonig... no
creating Makefile

make
gcc -I. -I. -IC:/Ruby187/lib/ruby/1.8/i386-mingw32 -I. -Wall -c oregexp.c
oregexp.c: 2 : 23: fatal error: oniguruma.h: No such file or directory
compilation terminated.
make: *** [oregexp.o] Error 1

Gem files will remain installed in C:/Ruby187/lib/ruby/gems/1.8/gems/oniguruma-1.1.0 for inspection.

Results logged to C:/Ruby187/lib/ruby/gems/1.8/gems/oniguruma-1.1.0/ext/gem_make.out

+++++++++++++++++++++++++++++++++++++++++++

could anyone help me? Thanks.

This is my environment information as follows:
Redmine 1.3.0.stable (MySQL)
Ruby version 1.8.7 (i386-mingw32)
RubyGems version 1.7.2
Rack version 1.1
Rails version 2.3.14
Active Record version 2.3.14
Active Resource version 2.3.14
Action Mailer version 2.3.14
Active Support version 2.3.14
Application root E:/redmine-1.3
Environment production
Database adapter mysql
Database schema version 20111018172707

[archonwang]

aha

it's crazy. I did it .

so, you should do it first.
just like this.
https://gist.github.com/772895

Thanks so much.