Linked by Dave Scott on Mon 17th Mar 2003 17:36 UTC
I recently read Dustin Wilson's Newbie Gentoo Review and as a 'n00b' who recently installed Gentoo, I found it to be a good article about Gentoo. It is a very good overview of the installation and configuration process. After reading all the comments about how most people thought or were looking for it to be a newbie walkthrough, I thought that as a 'n00b' who has recently installed Gentoo, I would try to write a little something about installing Gentoo for the newbie.
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From what I understand and have read about GCC optimization flags, for most modern processors (e.g. PIII and up) the optimizations you would want (at most) would be "-O3 -pipe -fomit-frame-pointer". I also noticed that there is nothing in the GCC docs about any specific optimization flags for specific programs. I think you may be thinking USE flags. You may want to check out this article http://freshmeat.net/articles/view/730/ on freshmeat which explains the purpose behind -Ox and all the available options.
As for USE flag settings, check out the docs at http://www.gentoo.org/doc/en/use-howto.xml for a USE flag howto, and there is a link at the end of that page to a list of current USE flags. As for not being able to view jpgs if it's not in your use setting, check out the /etc/make.globals file on your gentoo box. These are default USE flags that are enabled by default.