C:\>gem install mongrel --debug
Exception `NameError' at c:/ruby/lib/ruby/site_ruby/1.8/rubygems/command_manager.rb:132 - uninitialized constant Gem::Commands::InstallCommand
Exception `Gem::LoadError' at c:/ruby/lib/ruby/site_ruby/1.8/rubygems.rb:377 - RubyGem version error: sources(0.0.1 not > 0.0.1)

Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/test
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/test
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/test
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/test
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/ext/fastthread
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/ext/fastthread
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1
Exception `Errno::EEXIST' at c:/ruby/lib/ruby/1.8/fileutils.rb:243 - File exists - c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1
Building native extensions.  This could take a while...
Exception `Gem::InstallError' at c:/ruby/lib/ruby/site_ruby/1.8/rubygems/ext/builder.rb:37 - make failed:

c:/ruby/bin/ruby.exe extconf.rb install mongrel --debugcreating Makefile
nmake'nmake' is not recognized as an internal or external command,
operable program or batch file.

Exception `Gem::Installer::ExtensionBuildError' at c:/ruby/lib/ruby/site_ruby/1.8/rubygems/installer.rb:363 - ERROR: Failed to build gem native extension.

c:/ruby/bin/ruby.exe extconf.rb install mongrel --debug
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/fastthread-1.0.1 for inspection.
Results logged to c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/ext/fastthreaERROR:  Error installing mongrel:
	ERROR: Failed to build gem native extension.

c:/ruby/bin/ruby.exe extconf.rb install mongrel --debug
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/fastthread-1.0.1 for inspection.
Results logged to c:/ruby/lib/ruby/gems/1.8/gems/fastthread-1.0.1/ext/fastthread/gem_make.out

C:\>