20 okt 2013 kl. 21:04 skrev Koen Kooi <k...@dominion.thruhere.net>:
> Hi, > > A while ago we decided to switch armv7a machines for hardfloat because we > were worn it with explaining that there's no real world difference between > softfp (which does use hw fp despite its name) and hardfp and silicon vendors > started moving their evil binary only stuff to that as well. So we looked > into it and set the DEFAULTTUNE to cortexa8hf-neon. That gave us a hardfp > build and it had no regressions so far, so good. > So how are Cortex-A5 chips without neon going to be handled? They are also armv7a! Been struggling with this, during the weekend, since some recipes assume hat if It is an arm7a, then Neon should be turned on. Best Regards Ulf Samuelsson u...@emagii.com > Two weeks ago I switched jobs and had to dust off my pandaboards for the new > job and that's were things starting going south. 'cortexa8hf-neon' didn't > work since the buildsystem knew it was an cortex-A9 CPU, so 'cortexa9hf-neon' > needed to be used. Again that built and worked. But it required two seperate > feeds that were a single feed in v2012.12 and earlier. Then I started > looking at cortex-A15 boards and realized this setup is wasting disk space > and cpu time. > > Then I noticed that the 'genericarmv7a' machine in meta-linaro set the > DEFAULTTUNE to armv7athf-neon. A MACHINE config shouldn't set that variable, > but that's a different bug. It turns out that using that tune we can have a > single feed again for all armv7a machines. Yay! > > If you have been using v2013.06 and your architecture for the feeds is > cortexa*hf*, try doing the following: > > opkg update ; opkg install angstrom-feed-configs > opkg update ; opkg install opkg-config-base > > That will update the feed configs to point to the new unified feed and drag > in the /etc/opkg/arch.conf that lists the new armv7ahf-vfp-neon architecture > as supported. It will throw a ton of warnings for the currently installed > packages, but that's mostly harmless. Installing things from the feeds will > work again, but it will try to reinstall a lot of things due to the > architecture change. > > The v2013.12 feed will be cleaned up later, all the conferences will > interfere with that. > > It looks like the complete angstrom cabal will be present at ELC-E in > Edinburgh next week and at least 3 of us will also be attending Linaro > Connect USA the week after that. If you're in the neighbourhood come say > hello and please tell us about your pet peeve with angstrom or OE and we'll > try to address it. > > thanks, > > Koen > _______________________________________________ > Angstrom-distro-devel mailing list > Angstrom-distro-devel@linuxtogo.org > http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-devel _______________________________________________ Angstrom-distro-devel mailing list Angstrom-distro-devel@linuxtogo.org http://lists.linuxtogo.org/cgi-bin/mailman/listinfo/angstrom-distro-devel
