Hello Bob, On Wed, Sep 30, 2015 at 03:14:26PM -0400, [email protected] wrote: > I'm exploring compiling a couple of targets in my Genode, base-hw > system to use the hardware fp in the Neon coprocessor on an ARM > Cortex A8 SOC, to get some performance improvement. I can add the > CC_OPT line containing -mfloat-abi=hard and -mfu=neon-vfpv4 to > appropreate target.mk. That should result in the Neon fp unit being > called to perform the calculations. If I want use libc math > functions I assume I must recompile libc with the same compile > options added. Are there build variables that allow me to do that to > the libc library?
With 15.02, you may try to patch repos/libports/lib/mk/arm/libm.mk accordingly. There is not way to just "configure" compilation options for libc that I know of. Regards -- Christian Helmuth Genode Labs http://www.genode-labs.com/ · http://genode.org/ https://twitter.com/GenodeLabs · /ˈdʒiː.nəʊd/ Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth ------------------------------------------------------------------------------ _______________________________________________ genode-main mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/genode-main
