Subj : re:Compiling old pentium code on a new machine
To   : comp.os.linux
From : bigrigdriver1L
Date : Mon Oct 25 2004 12:09 am

Given the options available to gcc, I don't see why it's necessary to
have software optomized to P120 for all machines. It wastes the
superior processing capabalities of the faster CPU's. With gcc, it's
possible to compile software for several archetectures (read cpu's).
See man gcc; better yet, indo gcc (since it's menu driven by category
of option you want to use)  especially the target and i386
optomization sections. For info on target, try gcc --target-help for
a list of available options. There are also the -mcpu and -march
options to look into. 
It shouldn't be necessary to put it in .profile; it's a command-line
option, as in gcc -M etc.
The problem with Deb and i386 packages is easily solved if you compile
from source with appropriate gcc options, and compile several
binaries, one for each cpu type in your network. That way, you can
use the fastest machine to do the compile (no need to wait hours).
Both man gcc and info gcc are very long documents and require much
careful study to fully understand. Take you time and read. I believe
the solution to your problem is there.

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