Re: [dpdk-dev] [PATCH] mk: allow updates to build config on make install

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2014-05-14 12:33, Richardson, Bruce:
> > From: Thomas Monjalon [mailto:thomas.monjalon@6wind.com]
> > 
> > You would like to have a synchronization of your generated .config file
> > with the configuration template. But it's not possible for the simple
> > reason that you may have modified your .config file so there is no simple
> > correlation with the original template.
> 
> Would you agree then that the ideal state matrix for a make install should
> probably be: * template unmodified, config unmodified - No issue -
> regenerate or not as best suits the code * template unmodified, config
> modified - don't regenerate, keep local config * template modified, config
> modified - flag an error, since continuing compile with old config on new
> code will lead to undefined build results, since config template changes
> rarely occur without code changes to go with them. * template modified,
> config unmodified - regenerate new config, overwriting old one, for the
> same reason above. [Optionally print out message stating that the config is
> being regenerated]
> 
> Does this seem reasonable to you? The last case is the common case for me in
> development, as I've had multiple build errors and unexpected build results
> in the last week alone due to config template changes not propagating as I
> switch development branches to work on different features.

It seems reasonable.
So you plan to send a v2 with this algorithm?

-- 
Thomas