You could also try distcc + cross compiler on a beefy machine. I almost got it working on my Raspberry PI before losing interest. IMO this would be the best solution if you can manage to make it work. Good luck!
https://wiki.gentoo.org/wiki/Raspberry_Pi/Cross_building http://archlinuxarm.org/developers/distcc-cross-compiling On 18 February 2016 at 03:20, David Llewellyn-Jones <da...@flypig.co.uk> wrote: > Thanks for the advice. I read in this group about previous attempts > (including yours) building on ARM Android devices, which encouraged me to > try it on Sailfish. At the moment my build is still chugging away, although > it got killed earlier and I had to set it off again (but it seems to be > making progress again now). > > If it fails again I'll look into the possibility of emulation, but then > I'll probably have to build my own Mer images, which I'd rather avoid! Too > bad about the cross-compiling, but I'm sure making the build changes falls > well outside my capability. > > So, I'll stick with attempting to build on the device until either it or I > get stuck. Thanks again for the very useful advice. > > > On Wednesday, 17 February 2016 12:40:08 UTC, mmarco wrote: >> >> Long ago i succeded at compiling sage in an arm tablet. It took around >> two weeks (the power button got damaged, but I don't know if was related to >> the heating of the device during the compiling or if it was an independent >> problem). >> >> Cross compiling has the problem that some elements of Sage perform tests >> in compile time by running the compiled code, so that would fail. You >> should change manually the build process to prevent it (which is probably >> not a good idea, because it is a lot of work, and because that kind of >> automated testing might be really important, for instance ATLAS compiles >> with different options, tests all of them and then chooses the fastest one). >> >> Another option is to emulate a full ARM machine in a x86 one. That is >> doable, and theoretically would allow you to use much more RAM than what a >> phisical ARM device has available, but there is a huge overhead, so it will >> take also a lot of time. >> >> Finally, you have the option of using the arm builds that Sage provides. >> They are not the last version, but not too old either. The might problem >> you can find is that they are built for Ubuntu only, but you can overcome >> that by setting up an ubuntu chroot environment in your device. >> >> El miércoles, 17 de febrero de 2016, 12:12:51 (UTC+1), David >> Llewellyn-Jones escribió: >>> >>> Hello, >>> >>> I'm new to Sage, but interested to build it for Sailfish OS, an ARM >>> Linux phone built atop Mer (see for example http://www.merproject.org/ >>> and https://sailfishos.org/ ). I'm doing it out of intrigue, so not >>> necessarily expecting a practical result. >>> >>> Cross-compiling using Scatchbox2 (x86 VM building for armv7hl; see >>> https://wiki.merproject.org/wiki/Platform_SDK_and_SB2 ) failed when >>> attempting to execute genautomata. My uneducated guess is that it's >>> building genautomata for ARM and then trying to execute it in the x86 build >>> environment. >>> >>> Is it possible to cross-compile sage for ARM? Other posts on this list >>> don't look encouraging, but any advice would be appreciated. >>> >>> David >>> >>> P.S. My back-up plan is to build it on the phone itself, but so far this >>> hasn't yielded results (it's gobbling up increasingly large SD cards before >>> running out of space). >>> >>> -- > You received this message because you are subscribed to the Google Groups > "sage-devel" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to sage-devel+unsubscr...@googlegroups.com. > To post to this group, send email to sage-devel@googlegroups.com. > Visit this group at https://groups.google.com/group/sage-devel. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at https://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
