From: Aredridel Date: 2005-04-19T08:39:47+09:00 Subject: Re: Problem compiling extensions > cc1: error: invalid option `tune=i686' > > What it's causing this error? > > My plattaform is Slackware Linux 10.1 on a Athlon XP 1800 processor. Have you compiled ruby with a different compiler than you're now using? If so, you might have to hack on rbconfig.rb, or recompile Ruby.