Re: 32-bit compat-gcc on 64-bit CentOS?

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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@xxxxxxxxxxxxx>
>> 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.

        mark

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