leo@leo-ghvm:/web/merb/cheddr$ gem install webrat eventmachine nokogiri thin mongrel pg do_postgres -i gems/
Successfully installed webrat-0.3.2
Building native extensions.  This could take a while...
Successfully installed eventmachine-0.12.2
Building native extensions.  This could take a while...
Successfully installed nokogiri-1.1.0
Building native extensions.  This could take a while...
Successfully installed thin-1.0.0
Building native extensions.  This could take a while...
Successfully installed mongrel-1.1.5
Building native extensions.  This could take a while...
Successfully installed pg-0.7.9.2008.10.13
Building native extensions.  This could take a while...
Successfully installed do_postgres-0.9.9
7 gems installed
Installing ri documentation for webrat-0.3.2...
Installing ri documentation for eventmachine-0.12.2...
Installing ri documentation for nokogiri-1.1.0...
Installing ri documentation for thin-1.0.0...
Installing ri documentation for mongrel-1.1.5...
Installing ri documentation for pg-0.7.9.2008.10.13...
Installing RDoc documentation for webrat-0.3.2...
Installing RDoc documentation for eventmachine-0.12.2...
Installing RDoc documentation for nokogiri-1.1.0...
Installing RDoc documentation for thin-1.0.0...
Installing RDoc documentation for mongrel-1.1.5...
Installing RDoc documentation for pg-0.7.9.2008.10.13...