Mailinglist Archive: opensuse-factory (1134 mails)

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Re: [opensuse-factory] Build system solutions (was Re: Calling for a new openSUSE development model)
On Thu, Jun 14, 2012 at 2:15 PM, Greg KH <gregkh@xxxxxxxxx> wrote:

But real life has shown that marking packages for incompatible changes
is not working good enough. And suddenly you hunt problems for a long
time which in the end a rebuild is fixing.

Yeah, it's a tough problem.  Gentoo has a tool that does this for you.
Anyone know what Debian does?  They must have solved this otherwise
their build system would be constantly running behind.


greg k-h

Gentoo has a very flexible way of making things work via USE flags,
which is great when you're compiling everything from source. You
essentially customize your system(s) from the ground up, the defaults
"just work" and when you change a USE flag to add or remove a feature,
the system figures out what you need to recompile, which is often a
huge load.

Every site is "its own OBS", essentially. Their release engineering
process produces about 100 MB of stable media (50 MB install CD plus a
stage3 and a Portage snapshot) every week and that's all they have to
do. Everything else is pretty much built on the users' systems,
although it's *tested* on Gentoo's.

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