From: Sangeeta Huddar <2006.shilpa@...> Date: 2009-02-17T15:09:52+09:00 Subject: gem install ruby-serialport gives error :::: gem install ruby-serialport Install required dependency echoe? [Yn] Y Install required dependency rubyforge? [Yn] Y Install required dependency highline? [Yn] Y 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 ruby-serialport -p http://proxyin03.itg.ti.com:80 checking for OS... mswin creating Makefile nmake 'nmake' is not recognized as an internal or external command, operable program or batch file. Gem files will remain installed in c:/ruby/lib/ruby/gems/1.8/gems/ruby-serialpor t-0.7.0 for inspection. Results logged to c:/ruby/lib/ruby/gems/1.8/gems/ruby-serialport-0.7.0/ext/gem_m ake.out i m facing this problem can anyone help me ?? -- Posted via http://www.ruby-forum.com/.