Re: [dpdk-dev] [PATCH 0/4] Fix build issues with CONFIG_RTE_BUILD_COMBINE_LIBS=y

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

2014-10-02 13:04, Matthew Hall:
> On Thu, Oct 02, 2014 at 01:26:34PM -0400, Neil Horman wrote:
> > Just out of curiosity, whats the impetus behind a single shared library here?
> > Is it just to ease application linking operations?  If so, it almost seems to me
> > that we should abandon the individual linking method and just use this as the
> > default output (and do simmilarly for the static linking build)
> 
> Not clear if you wrote "single shared library" on purpose instead of "single 
> static library". But for me the objective of COMBINE_LIBS usage would be 
> getting a "single static library" for my app, which just works, and eliminates 
> need of start-group, end-group, weird library ordering issues, etc. I'm not 
> interested personally in a "shared library" because it'd run slower.
> 
> Personally my preference would be to do both the single libs and multiple libs 
> in static format by default. Disk space is cheap, let's maximize user freedom 
> and flexibility. But shared lib, since it performs less well, should be 
> discouraged by default, although allowed if needed... some people prefer it 
> because it's easier to patch security vulns if you can replace a buggy library 
> for all the code on a system.

We need to simplify build options. So I'm fine to remove COMBINE_LIBS option
to always enable it.
About making only one single static library, I think it's a good idea if
it brings a real code simplification.

So the conclusion is to nack this patchset in favor of above changes.
Sergio, comments?

-- 
Thomas