From: cristian cristian Date: 2013-08-02T19:42:27+09:00 Subject: Re: Beginners problem with database and datamapper I downloaded your zip-file and extracted in "c:\knapsack\sqlite" and did this: C:\knapsack\sqlite>gem install sqlite3 --platform=ruby -- --with-sqlite3-include =c:/knapsack/sqlite/include --with-sqlite3-lib=c:/knapsack/sqlite/lib --with-sqlite3-dir=c:/knapsack/sqlite/bin ERROR: Error installing sqlite3: The 'sqlite3' native gem requires installed build tools. Please update your PATH to include build tools or download the DevKit from 'http://rubyinstaller.org/downloads' and follow the instructions at 'http://github.com/oneclick/rubyinstaller/wiki/Development-Kit' -- Posted via http://www.ruby-forum.com/.