On Thu, Jul 31, 2014 at 11:36:32AM -0700, Bruce Richardson wrote: > With regards to the general approach for runtime detection of software > functions, I wonder if something like this can be handled by the > packaging system? Is it possible to ship out a set of shared libs > compiled up for different instruction sets, and then at rpm install > time, symlink the appropriate library? This would push the whole issue > of detection of code paths outside of code, work across all our > libraries and ensure each user got the best performance they could get > form a binary? > Has something like this been done before? The building of all the > libraries could be scripted easy enough, just do multiple builds using > different EXTRA_CFLAGS each time, and move and rename the .so's after > each run.
I'm not aware of a package that does anything like that. It probably is possible, but I imagine that it would provoke a lot of debate and consternation in FESCO... -- John W. Linville Someday the world will need a hero, and you linville at tuxdriver.com might be all we have. Be ready.
