On Mon, Apr 6, 2015 at 6:53 PM, John Morris <j...@zultron.com> wrote: > > > On 04/06/2015 05:22 PM, Shawn Landden wrote: >> >> On Mon, Apr 6, 2015 at 3:15 PM, John Morris <j...@zultron.com> wrote: >>> >>> >>> >>> On 03/30/2015 10:45 PM, Wookey wrote: >>>> >>>> >>>> +++ John Morris [2015-03-30 22:16 -0500]: >>>> >>>>> I'm going to try setting up Wookey's cross-build daemon >>>> >>>> >>>> >>>> (careful - it really could do with some more work to be moderately >>>> general!) >>>> >>>>> or use sbuild directly, so never mind. >>> >>> >>> >>> Thanks for the tips, Wookey. I ended up adding `sbuild` functionality to >>> some scripts I had laying about, and it looks like all the Machinekit >>> dependencies can be compiled. >>> >>> However, there are a few packages that can't be *cross*-compiled, the >>> most >>> irritating of which is the Debian `linux` package. (I've modified the >>> packaging to build Xenomai and RTAI 'featuresets'.) >>> >>> The problem is the explicit `Build-Depends: gcc-4.9`, which can't be met >>> by >>> the `crossbuild-essential-armhf` or its dependencies. For now qemu will >>> get >>> the job done, but of course take ages to do it. >>> >> What are you building linux for? If it is just the linux-libc-dev >> package then there might be a reduced build that only builds that. > > > Xenomai [1] and RTAI [2] are two real-time frameworks. They're both based > on the ipipe patch, which is a heavy modification to the Linux kernel. > Looks like I may have to start building the RT_PREEMPT kernel too, since > that's been dropped from Jessie. Machinekit [3] features a RT threads layer > that we've ported to several threads systems. > > The Beaglebone kernel took over 2 hours to compile with -j8 under qemu. > Ouch. Just skip the debian packaging altogether and use `make deb-pkg` from the linux source tree. (with CONFIG_CROSS_COMPILE set appropriately) > > [1]: http://xenomai.org > [2]: https://www.rtai.org > [3]: http://machinekit.io > > John > > > -- > To UNSUBSCRIBE, email to debian-embedded-requ...@lists.debian.org > with a subject of "unsubscribe". Trouble? Contact > listmas...@lists.debian.org > Archive: https://lists.debian.org/552338b5.4080...@zultron.com >
-- Liberty equality fraternity or death, Shawn Landden ChurchOfGit.com -- To UNSUBSCRIBE, email to debian-embedded-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: https://lists.debian.org/CAJusiZUguOqV2B8NvN2TcXqApUfO9cNa+k-q-LV12tX1hTK=p...@mail.gmail.com
