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by Steve-o
Tue Mar 06, 2012 8:27 pm
Forum: General discussion
Topic: Debian 'armhf' (hard-float ABI) for Raspberry Pi?
Replies: 26
Views: 53758

Re: Debian 'armhf' (hard-float ABI) for Raspberry Pi?

Sorry if this is a stupid question, but what is wrong with cross-compiling packages on a standard PC? I have been using OpenWRT for my MIPSel router a while and cross-compiling has never caused any problems for me.
by plugwash
Tue Mar 06, 2012 12:39 am
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

... ram webkit and libreoffice builds grind in swap for days).<br/> <br/> Cross compiling is an option but it brings problems of it's own. Most notablly the build system for ...
by Joe Schmoe
Tue Mar 06, 2012 12:28 am
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

Look for a thread with the title "config.txt" - it contains a lot of interesting info about how the Pi boots.

That is, before it veered off into a back-and-forth about how to keep kids from voiding their (and their friends) warranties...
by llewell
Mon Mar 05, 2012 11:30 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

<t>Oh, so I only have to read a thousand posts or so.  No problem.  <br/> <br/> I guess I have to think a little differently about the RPi.  It sounds like embedded Linux, with all of the limitations that implies, but it'll run just like a "real" computer if you don't want to poke around under the h...
by johnbeetem
Mon Mar 05, 2012 8:00 pm
Forum: Staffroom, classroom and projects
Topic: ARM Assembly / Operating System
Replies: 48
Views: 18586

Re: ARM Assembly / Operating System

... want the ARMv7-AR version, which covers RasPi's ARMv6.<br/> <br/> For compiling, you'll probably want GCC: <URL url="http://www.gnu.org/software/gcc/">http://www.gnu.org/software/gcc/</URL><br/> ... This page includes links to documentation.<br/> <br/> If you want to cross-compile for ARM using ...
by plugwash
Mon Mar 05, 2012 3:55 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

<r>Do you mean more disk space? <br/> <br/> No I mean what I say though to build packages like webkit and libreoffice you DO need lots of disk IN ADDITION TO lots of ram.<br/> <br/> How do you build on the device with more RAM when the RAM is built in to the chip?<br/> <br/> Debian build their packa...
by nick.mccloud
Mon Mar 05, 2012 3:49 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

<t>llewell said: <br/> <br/> <br/> As to the Debian image, I can't find grub or the kernel, for that matter.  They don't appear in any of the usual locations (but as I said, I haven't seen a Debian ARM build before).  I don't suppose anyone has published docs on how the RPi actually boots, have they...
by llewell
Mon Mar 05, 2012 3:14 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

<t>Do you mean more disk space?  How do you build on the device with more RAM when the RAM is built in to the chip?<br/> <br/> As to the Debian image, I can't find grub or the kernel, for that matter.  They don't appear in any of the usual locations (but as I said, I haven't seen a Debian ARM build ...
by plugwash
Mon Mar 05, 2012 3:07 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

... more ram than the Pi). The emdebian project offers tools for cross compiling but YMMV with using them to compile various software.</t>
by AlArenal
Mon Mar 05, 2012 8:22 am
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

Some things just have to settle in and that's probably not gonna happen until we're sitting in front of the actual RPi iron and get our feet wet. Questions will be more easy to answer if you can actually test what's going to happen.
by llewell
Mon Mar 05, 2012 1:15 am
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

OK, that's kind of mysterious.  Well, I'm sure the answers are out there.
by nick.mccloud
Sun Mar 04, 2012 7:38 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

It's far too early in the life of Pi to say anything definitive!
by llewell
Sun Mar 04, 2012 7:16 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

If that's the best way to do it, that's fine.  I'm really curious about how the thing is built, and I figure the more I know the less I have to worry about going down dead-ends caused by trying to reinvent the wheel.
by nick.mccloud
Sun Mar 04, 2012 4:49 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

It has gcc on it, why not use that?
by llewell
Sun Mar 04, 2012 4:05 pm
Forum: General discussion
Topic: cross-compiling/developing for the Debian image
Replies: 12
Views: 2129

Re: cross-compiling/developing for the Debian image

... I want to know how to add other applications to the image.  For instance, I have downloaded SIP Media Loopback from Sourceforge, and I'd like to cross-compile it for the PI on this image.  I'm sure I'll have enough problems without reinventing the toolchain/environment used to build the OS it's ...
by augusto.beiro
Thu Feb 23, 2012 6:17 pm
Forum: General discussion
Topic: QEMU and performance testing
Replies: 5
Views: 2285

Re: QEMU and performance testing

... will have to get a cortex enabled kernel (ubuntu has some). Sometimes cross compiling is a hell, so ii's usefull to compile some  native-tied packages. But it's still ...
by b6560248
Thu Feb 16, 2012 9:47 am
Forum: Other projects
Topic: Rasptoo: another distribution for RaspberryPi
Replies: 17
Views: 5048

Re: Rasptoo: another distribution for RaspberryPi

... <br/> I think everybody will agree on this point : forget about compiling something on the Raspi. So you'll have to overcome the cross-compiling problem and find a way to make the process user-friendly… <br/> <br/> <br/> ...
by Lardon
Thu Feb 16, 2012 4:40 am
Forum: Other projects
Topic: Rasptoo: another distribution for RaspberryPi
Replies: 17
Views: 5048

Re: Rasptoo: another distribution for RaspberryPi

... <br/> I think everybody will agree on this point : forget about compiling something on the Raspi. So you'll have to overcome the cross-compiling problem and find a way to make the process user-friendly… </r>
by hilltop
Wed Feb 15, 2012 6:19 pm
Forum: Other projects
Topic: Emulating a RasPi on Windows
Replies: 59
Views: 31489

Re: Emulating a RasPi on Windows

... with ARM926).<br/> <br/> However, a more worthwhile use of CPU would be cross-compiling under x86 Linux for an arm(el) target... (see thread on ScratchBox).  Also, as this ...
by EdwinJ85
Mon Feb 13, 2012 2:38 pm
Forum: General discussion
Topic: Isn't this all too complicated?
Replies: 230
Views: 46049

Re: Isn't this all too complicated?

<r>I came across this in another thread:<br/> <br/> <URL url="http://www.scirra.com/construc.....leases/r78">http://www.scirra.com/construc.....leases/r78</URL><br/> ... <br/> No input or output steams, no header files, no libraries needed and no compiling. It is also memory managed and has a similar ...
by plugwash
Mon Feb 13, 2012 10:51 am
Forum: General discussion
Topic: OMAP4 or OMAP3 or what version?
Replies: 6
Views: 3523

Re: OMAP4 or OMAP3 or what version?

... about other distros).<br/> <br/> <br/> (or is it more the issue of compiling on it?)<br/> <br/> <br/> The reason for lots of ram is C++. Complex ... said: <br/> <br/> Why not use more powerful Intel/AMD PCs instead and cross-compileon those machines?<br/> I think there are three reasons that ...
by kyelo
Tue Feb 07, 2012 4:44 pm
Forum: General discussion
Topic: Emulator vs "the real thing"
Replies: 12
Views: 4766

Re: Emulator vs "the real thing"

... compile times are frustratingly slow, then venture into emulation or cross-compiling on a faster machine.</t>
by kyelo
Mon Feb 06, 2012 9:43 pm
Forum: General discussion
Topic: Emulator vs "the real thing"
Replies: 12
Views: 4766

Re: Emulator vs "the real thing"

... to RUN an R-Pi program, but not to compile for the R-Pi, and if I tried compiling for R-pi using the above arrangement the net result might even ... task of one OS over the other on the same machine? I've heard of a "cross-compiler". Do I need one?<br/> <br/> Thank you.</t>
by andyl
Sun Feb 05, 2012 10:43 am
Forum: Staffroom, classroom and projects
Topic: Statistics, Analytics and Modelling...
Replies: 8
Views: 8399

Re: Statistics, Analytics and Modelling...

... To get R working on a PI should be easy.  It will probably just require compiling on the Pi(or cross-compiling if someone has set up a Pi toolchain on a X86 based linux).<br/> <br/> GNU ...
by hippy
Fri Feb 03, 2012 2:48 pm
Forum: Other projects
Topic: Bare metal Raspberry Pi
Replies: 23
Views: 7407

Re: Bare metal Raspberry Pi

... Definitely interested.<br/> <br/> I'd prefer a Windows command line cross-compiling setup using the CodeSourcery G++ Lite toolchain as that's working well for me as ...

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