Some beginner questions and comments

Peter Stuge peter at stuge.se
Mon Jan 21 08:00:32 UTC 2013


Sylvain Munaut wrote:
> >> We can't do that. libosmocore subtree is still used to compile the
> >> embedded ARM version of libosmocore.
> >
> > I think we should change that, and instead require the ARM library
> > to be installed into a prefix which is set when building osmocom-bb
> > targets. A sane default could be to have the prefix next to the
> > osmocom-bb source tree.
> 
> We don't have an OS on the ARM, no  libraries, no BSP ... it's all a
> big static block, so we can't have an installed "ARM library" for it.

Sure we can - even if it's just a single .a file. Linker search path
has nothing to do with an OS, libraries can be used without an OS,
and no BSP is needed.


> So we could ask the user to have the sources somewhere, but the issue
> is that the ARM build is much more sensitive to libosmocore version
> than the host one.

All the more reason to make the target library explicitly visible.


> I don't really see the problem with having the libosmocore as subtree
> for ARM build. For the host, it would sometime mix the intree and
> installed versions during build

Another good reason to clearly separate the two.


//Peter




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