# Gem help **URL:** \ **Category:** Ruby\ **Created:** [April 13, 2010, 8:58pm UTC](https://www.ruby-forum.com/t/gem-help/186887 "2010-04-13T20:58:08Z")\ **Posts on this page:** 5\ **Page:** 1
**Author:** ![homer-16](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/838e76/32.png) [@homer-16](https://www.ruby-forum.com/u/homer-16)\ **Post date:** [April 13, 2010, 8:58pm UTC](https://www.ruby-forum.com/t/gem-help/186887/1 "2010-04-13T20:58:08Z")
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. ---
**Author:** ![homer-16](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/838e76/32.png) [@homer-16](https://www.ruby-forum.com/u/homer-16)\ **Post date:** [April 13, 2010, 10:01pm UTC](https://www.ruby-forum.com/t/gem-help/186887/2 "2010-04-13T22:01:57Z")
On Apr 13, 3:58 pm, H- 16 [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote: > > Building native extensions. This could take a while… > > creating Makefile > > 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. 1. Avoid path with spaces 2. Add Ruby\bin directory to your path: SET PATH=%PATH%;C:\Ruby\bin 1. proceed to gem installation with verbose and debug modes: gem install xxx --debug -V ---
**Author:** ![homer-16](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/838e76/32.png) [@homer-16](https://www.ruby-forum.com/u/homer-16)\ **Post date:** [April 14, 2010, 11:11am UTC](https://www.ruby-forum.com/t/gem-help/186887/3 "2010-04-14T11:11:29Z")
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. ---
**Author:** ![homer-16](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/838e76/32.png) [@homer-16](https://www.ruby-forum.com/u/homer-16)\ **Post date:** [April 14, 2010, 8:07pm UTC](https://www.ruby-forum.com/t/gem-help/186887/4 "2010-04-14T20:07:21Z")
On Apr 13, 2010, at 11:58 , H- 16 wrote: > > … > > creating Makefile > > > > nmake > > ‘nmake’ is not recognized as an internal or external command, > > operable program or batch file. > > … You don’t have nmake and, presumably, a compiler to build C extensions. (or you do and you need to fix your PATH) ---
**Author:** ![homer-16](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/h/838e76/32.png) [@homer-16](https://www.ruby-forum.com/u/homer-16)\ **Post date:** [April 14, 2010, 10:11pm UTC](https://www.ruby-forum.com/t/gem-help/186887/5 "2010-04-14T22:11:10Z")
Ryan D. wrote: > On Apr 13, 2010, at 11:58 , H- 16 wrote: > > > > … > > > creating Makefile > > > > > > nmake > > > ‘nmake’ is not recognized as an internal or external command, > > > operable program or batch file. > > > … > > You don’t have nmake and, presumably, a compiler to build C extensions. > > (or you do and you need to fix your PATH) Thanks! I’ll report back what happens.