[CentOS] 32-bit compat-gcc on 64-bit CentOS?

[Alan M. Evans]

On Wed, 2011-03-30 at 13:27 -0400, m.roth at 5-cent.us wrote:
> Alan M. Evans wrote:
> > On Tue, 2011-03-29 at 17:43 -0500, Jeff wrote:
> >> On Tue, Mar 29, 2011 at 5:35 PM, Alan M. Evans <ame1 at extratech.com>
> >> wrote:
> >> >
> >> > The old server was Pentium-4 based and running CentOS-5. When I
> >> > installed CentOS on the new machine, I used the 64-bit version, partly
> >> > because that habit is almost automatic nowadays, and partly because
> >> > the new machine has 6GB of RAM, so 32-bit seemed not very appropriate.
> >> >
> >> > Anyway, I've managed to configure every one of the old server's many
> >> > functions to match on the new server but one: I need the 32-bit
> >> > version of compat-gcc-34. (Or at least I need to be able to compile
> >> > 32-bit binaries with the already available version.) I can't seem to
> >> > do this; am I just missing something?
> >> >
> <snip>
> > I've tried the -m32 flag, along with "CC=gcc34" to actually cause it to
> > use the compat compiler instead of the new one. The build process
> > produces a lot of warnings that may or may not have been there before,
> > then bails out with:
> >
> > make: *** No rule to make target
> > `/usr/lib/gcc/i386-redhat-linux/3.4.6/include/stdarg.h', needed by
> > `hostcom.o'.  Stop.
> >
> > On the old server, which I have limited access to, that file is owned by
> > the compat-gcc-34 package. And the 64-bit version of this package is
> > installed on the new server, so the directory is x86_64-redhat-linux
> > instead of i386-redhat-linux.
> 
> Got it: you need to install the 386 *sources*; you can do that without
> hurting anything, and then the things you need will be where you expect
> them to be.

Excuse my ignorance: What *sources* are you talking about?

-Alan