On Fri, 26-Jul-2002 at 06:07:11AM -0500, tclug-list-request at mn-linux.org wrote: > I've had fun with it too. Has anyone seen a nice summary of the sorts of > compiler optimizations that people are using with Gentoo? I'm not a C > hacker so I don't understand all the various gcc options. > > Right now I've got mine set as: > > Pentium Pro/Pentium II/Pentium III+/Pentium 4/Athlon exclusive > (binaries > # will use the P6 instruction set and only run on P6+ systems) > CHOST="i686-pc-linux-gnu" > CFLAGS="-march=i686 -O3 -pipe -fomit-frame-pointer" > CXXFLAGS="-march=i686 -O3 -pipe -fomit-frame-pointer" > > I think these are fairly conservative. Not terribly helpful, but you can set -O to -O6. Last I checked, gcc doesn't get more than -02 optimizing anyway, but will go to maximum of which it is capable. Phil -- www.rephil.org / University of Minnesota "To misattribute a quote is unforgivable" -- Anoymous