From: Kasper Frederiksen Date: 2008-08-28T22:52:48+09:00 Subject: Re: Beginner help: Problem installing sqlite3 on Windows XP Lex Williams wrote: > You could try installing nmake , and run it again . You can find nmake > here : > http://support.microsoft.com/default.aspx?scid=kb;en-us;Q132084 I tried to download nmake and placed NMAKE.EXE & NMAKE.ERR in the c:\ruby\bin directory. This is the result: C:\>gem install sqlite3-ruby Building native extensions. This could take a while... ERROR: Error installing sqlite3-ruby: ERROR: Failed to build gem native extension. c:/ruby/bin/ruby.exe extconf.rb install sqlite3-ruby checking for fdatasync() in rt.lib... no checking for sqlite3.h... no nmake Microsoft (R) Program Maintenance Utility Version 1.50 Copyright (c) Microsoft Corp 1988-94. All rights reserved. NMAKE : fatal error U1073: don't know how to make 'ruby.h' Stop. Gem files will remain installed in c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1 .2.4 for inspection. Results logged to c:/ruby/lib/ruby/gems/1.8/gems/sqlite3-ruby-1.2.4/ext/sqlite3_ api/gem_make.out -- Posted via http://www.ruby-forum.com/.