RE: rdma-core, cmake/ninja question

["Steve Wise" <swise-7bPotxP6k4+P2YhJcF5u+vpXobYPEAuW@public.gmane.org>]

> > So I have a dev system setup with everything installed from the distro in
/usr.
> > I have my rdma-core git tree.  I change libcxgb4 to fix a bug.  I want to
test
> > it.  I install it to /usr/local and add /etc/ld.so.conf.d/usrlocal.conf.
But
> > that still doesn't work because ldconfig still finds libcxgb4 in /usr/lib64
> > first...
> 
> Apply this patch:
> 
> https://github.com/jgunthorpe/rdma-
> plumbing/commit/64ed4fd30a2157bdaf0a8f7f1b04d2dad02c1b8f
> 
> It hardwires the search path into libverbs and libverbs will look into
> the place it was installed before searching the system library
> path. That will eliminate the problem you mentioned above.
> 
> Further, after that patch is applied you can do a rough imitation of
> 'run-in-place' like this:
> 
> $ cmake .. -DVERBS_PROVIDER_DIR:PATH=`pwd`/lib -
> DSYSCONF_INSTALL_DIR:PATH=/etc
>

And how do I build this after the cmake?

 
> (untested) That hardwires the build directory into libibverbs, so it
> will try to load all drivers from there first.
> 
> Then use
> 
> $ export LD_LIBRARY_PATH=`pwd`/lib
> 
> And all verbs using programs started from that shell will use the full
> new library set and the new providers without having to do make
> install at all.
> 
> I plan to automate this basic approach for 'run in place', please let
> me know if it works for you and makes sense.
> 
> Jason
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