Re: Building two conflicting binaries from the same source

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On Fri, Nov 04, 2022 at 01:44:41PM +0100, Petr Menšík wrote:
> If there are binaries with different build results, I think some
> code should be refactored out of the binary itself. The common parts
> can remain, but hardware specific parts should be moved to
> dynamically loaded *.so files. The correct files should be loaded
> depending on hardware found on the system. If auto-detection is
> wrong, manual configuration via configuration file should be used
> instead.

I think this is right.  In particular you cannot assume that "the
hardware" is a thing which remains stable for the lifetime of a Fedora
install.

Sure, if you install Fedora on your laptop then the hardware is
unlikely to change.  But if you install Fedora on a VM then it can be
moved and booted on a VM with different (virtual) hardware.  And
there's also the template case where someone prepares a disk image on
one set of hardware (maybe virtual or physical) and then the disk
image is used as a template to clone multiple systems from.

Having autodetection at run time deals with this, having different
hardware-specific RPMs installed does not.

Rich.


-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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