[CentOS] cross building rpms for 32bit OS

Michael A. Peters mpeters at mac.com
Tue Mar 31 14:57:54 UTC 2009


James B. Byrne wrote:
> My test / development host runs CentOS-5.x x86_64.  There I have
> successfully created an rpm for GiT-1.6.1-1 for x86_64.  Now I would
> like to build the same rpm package for CentOS-5.x i386, but on the
> x86_64 machine.
> 
> Is this even possible?  If so, are there any resources that someone
> can refer me too that explains how?
> 
> 

Yes. In fact, I suspect the i386 rpm's for CentOS are built on x86_64

The easy way -

rpmbuild --target="i386" foo.spec

You will need all the 32-bit devel libraries.

The proper way would be to install mock (the version in EPEL is best) 
and use that.


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