Hello Which version of Ruby are you using? You can check it by: ruby -v If it is [i386-mingw32] or [i386-mswin32], you can install a binary package by: gem install narray --platform=x86-mingw32 Otherwise, you need some compiler to compile sources. Masahiro Tanaka H- 16 wrote: > I'm trying to DL a gem but I keep getting this message: > > >>E:\Ruby\bin>cmd /k "F:\Torque Game Engine Demo\System\Hack\Ruby\bin\gem.bat" >>The system cannot find the drive specified. >> >>E:\Ruby\bin>gem i narray >>Building native extensions. This could take a while... >>ERROR: Error installing narray: >> ERROR: Failed to build gem native extension. >> >>E:/Ruby/bin/ruby.exe extconf.rb >>checking for sys/types.h... no >>checking for u_int8_t... no >>checking for int16_t... no >>checking for int32_t... no >>checking for u_int32_t... no >>creating narray_config.h >>creating Makefile >> >>nmake >>'nmake' is not recognized as an internal or external command, >>operable program or batch file. >> >> >>Gem files will remain installed in E:/Ruby/lib/ruby/gems/1.8/gems/narray->0.5.9.7 >> for inspection. >>Results logged to E:/Ruby/lib/ruby/gems/1.8/gems/narray->0.5.9.7/src/gem_make.out >> >> >>E:\Ruby\bin> > > Does anyone know how to solve this? Btw, > >>E:\Ruby\bin>cmd /k "F:\Torque Game Engine Demo\System\Hack\Ruby\bin\gem.bat" >>The system cannot find the drive specified. > > This is not a problem. -- Posted via http://www.ruby-forum.com/.