i haven’t done this in ages, but try to run your QT app with the "-platform eglfs” option. I’m assuming you built QT with EGL.
Regards, John > On Dec 19, 2015, at 3:46 AM, Bremenpl <[email protected]> wrote: > > Hello there, > I managed to set up qt 5.3.2 on the beaglebone. I have build everything there > and it took ages but it works :). > > Next step is that I need to check either it is possible to run qt app on bbb > without gui with qws parameter. Because at the moment when i run it with qws > i get QXcbconnection: Could not connect to display. I need to do it like this > because thw gui is really really slow. > > On December 15, 2015 6:10:13 AM John Syne <[email protected]> wrote: > >> For purely building armhf code, Odroid XU4 might be a good choice: >> >> http://www.hardkernel.com/main/main.php >> <http://www.hardkernel.com/main/main.php> >> >> This is an Octacore processor with 4 CortexA15 and 4 CortexA7 processors. I >> don’t know how good their kernel/debian support is, but I know Robert had >> looked at this board or a predecessor in the past, so perhaps he can give >> his input here. >> >> Clearly this board doesn’t have the flexibility of the BeagleBoard-x15 with >> it’s dual DSP, Dual CortexM4, Quad PRU, SATA interface, PCIe interface, etc. >> >> Regards, >> John >> >> >> >> >>> On Dec 14, 2015, at 4:29 PM, William Hermans <[email protected] >>> <mailto:[email protected]>> wrote: >>> >>> Anyway, the main problem with the rPI 2 is that it has no "fast" non >>> destructive storage. But the Omilex . . let me look it up. >>> >>> https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware >>> >>> <https://www.olimex.com/Products/OLinuXino/A20/A20-OLinuXIno-LIME2-4GB/open-source-hardware> >>> Has SATA and GbE both. Dual cores too I think. However, you'd have to ask >>> someone who has one how well they think it would work as a build board. >>> RObert might know, as his Debian build guide also includes this board too I >>> believe. >>> >>> On Mon, Dec 14, 2015 at 5:25 PM, William Hermans <[email protected] >>> <mailto:[email protected]>> wrote: >>> https://www.adafruit.com/product/2358 >>> <https://www.adafruit.com/product/2358> >>> >>> On Mon, Dec 14, 2015 at 5:23 PM, William Hermans <[email protected] >>> <mailto:[email protected]>> wrote: >>> The new board is armv7. Positively. >>> >>> On Mon, Dec 14, 2015 at 5:24 PM, Bremenpl <[email protected] >>> <mailto:[email protected]>> wrote: >>> Okay, thank :P. I am quite sure raspberry pi is not hard float. >>> >>> W dniu 2015-12-15 o 01:21, William Hermans pisze: >>>> So just thinking for a minute. A Raspberry PI 2, the new board with quad >>>> cores, and 1 GB ram would probably work fairly decent as a build system >>>> for the Beaglebones. Granted, something like the X15, of that new nVidia >>>> ARM board, or even the Omelex A20 board with SATA would probably be a much >>>> better choice if cost is not a problem. >>>> >>>> By the way, I have no idea what Robert is talking about. You need to ask >>>> him. >>>> >>>> On Mon, Dec 14, 2015 at 5:15 PM, Bremenpl <[email protected] >>>> <mailto:[email protected]>> wrote: >>>> I have just flashed my BeagleBone Black emmc with lxqt image linked by >>>> Robert. I cant seem to find qmake anywhere. I thought there would be qt >>>> installed and all. Am I missing something again? >>>> >>>> W dniu 2015-12-15 o 00:54, William Hermans pisze: >>>>> Not necessarily, but consider this. How much does an embedded systems >>>>> specialist in your area get paid per hour ? In my area, about 15-20 years >>>>> ago. The cost of a board like the X15 would have been absorbed in roughly >>>>> half a day. That is to say, an embedded systems specialist could buy a >>>>> board for $239 after working roughly half a day. >>>>> >>>>> Now take into account that figuring out how to cross compile something >>>>> like this is a serious headache, and often takes days, if not weeks to >>>>> get right . . . >>>>> >>>>> On Mon, Dec 14, 2015 at 4:32 PM, Bremenpl < >>>>> <mailto:[email protected]>[email protected] >>>>> <mailto:[email protected]>> wrote: >>>>> So if I understand correctly, I should have a second board that is more >>>>> powerfull than beagle just to compile the code for beagle? >>>>> >>>>> W dniu 2015-12-15 o 00:26, William Hermans pisze: >>>>>> I cant change the board right now, it has to be BeagleBone Black. Thats >>>>>> why I need to build on my host. Did you succed on installing QT5.1 and >>>>>> deploying it to BeagleBone Black? Maybe I should use it instead of 4.8.6 >>>>>> if its easier? >>>>>> >>>>>> No one was saying change boards. Use the same board, but use a faster, >>>>>> more powerful ARM board to compile native ARM executable. The reasons >>>>>> are simple. No need to mess with cross compiling, which in many cases is >>>>>> messy, and sometimes near impossible. >>>>>> >>>>>> You don't think Robert spends days, or weeks compiling packages do you ? >>>>>> But why don't we ask Robert. Robert, hey what percentage of the packages >>>>>> you build are compiled native to ARM, from some sort of beefy ARM board? >>>>>> I'm guessing nearly 100% if not 100% but . . . >>>>>> >>>>>> On Mon, Dec 14, 2015 at 4:00 PM, Bremenpl < >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>> wrote: >>>>>> Ahh., thats the way, you are right... >>>>>> Thank you for all the support guys, I really mean it! Hope to get it >>>>>> working in a while if i wont fall asleep on my desk! >>>>>> >>>>>> >>>>>> >>>>>> On December 14, 2015 11:55:59 PM John Syne < >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>> wrote: >>>>>> >>>>>> >>>>>> On Dec 14, 2015, at 2:34 PM, Bremenpl < >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>> wrote: >>>>>> >>>>>> Okay guys, atm I am donwloading the lxqt image. AT first I will try to >>>>>> open the app on the BeagleBone Black itself. But after that works I need >>>>>> to figure out how to remote debug while building on beagle instead of >>>>>> cross compile on host. >>>>>> Could you please only clarify my thoughts about it? If gdb-multiarch >>>>>> needs crosscompiled executable, how do I use it if I dont download the >>>>>> executable from target like you said i dont? >>>>>> On BBB you run gdbserver. On your host, you run gdb and then remote >>>>>> connect to your gdbserver. Watch Derrek Molloy’s chapter 7 video I gave >>>>>> you, starting at about 30 minutes. >>>>>> >>>>>> Regards, >>>>>> John >>>>>> >>>>>> W dniu 2015-12-14 o 23:23, John Syne pisze: >>>>>> Regards, >>>>>> John >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On Dec 14, 2015, at 2:23 PM, Bremenpl < >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>> wrote: >>>>>> >>>>>> Okay, I think I figured it out, but it would be a bit messy... So lets >>>>>> say I would have a postbuild script on my host, that after each >>>>>> succesfull build would scp over all .h and .c files to BeagleBone Black >>>>>> and build on the target as well (ssh command). >>>>>> >>>>>> But then again, for gdb-multiarch I need to provide an executable on the >>>>>> host. So if I am building on target device, do I need to download the >>>>>> built executable back to host…? >>>>>> No >>>>>> W dniu 2015-12-14 o 23:13, Robert Nelson pisze: >>>>>> On Mon, Dec 14, 2015 at 4:13 PM, Bremenpl < >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>> wrote: >>>>>> Yes but in that case I would have to program for hours on BeagleBone >>>>>> Black... The point is, can I remote debug in this configuration? >>>>>> gdb can communicate over tcp/ip.. >>>>>> >>>>>> Regards, >>>>>> >>>>>> -- >>>>>> Bremenpl >>>>>> >>>>>> -- >>>>>> For more options, visit >>>>>> <http://beagleboard.org/discuss>http://beagleboard.org/discuss >>>>>> <http://beagleboard.org/discuss> >>>>>> --- You received this message because you are subscribed to the Google >>>>>> Groups "BeagleBoard" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>> an email to >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>. >>>>>> For more options, visit >>>>>> <https://groups.google.com/d/optout>https://groups.google.com/d/optout >>>>>> <https://groups.google.com/d/optout>. >>>>>> >>>>>> -- >>>>>> Bremenpl >>>>>> >>>>>> -- >>>>>> For more options, visit >>>>>> <http://beagleboard.org/discuss>http://beagleboard.org/discuss >>>>>> <http://beagleboard.org/discuss> >>>>>> --- You received this message because you 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and all its topics, send an email to >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>. >>>>>> For more options, visit >>>>>> <https://groups.google.com/d/optout>https://groups.google.com/d/optout >>>>>> <https://groups.google.com/d/optout>. >>>>>> >>>>>> >>>>>> -- >>>>>> For more options, visit >>>>>> <http://beagleboard.org/discuss>http://beagleboard.org/discuss >>>>>> <http://beagleboard.org/discuss> >>>>>> --- You received this message because you are subscribed to the Google >>>>>> Groups "BeagleBoard" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, send >>>>>> an email to >>>>>> <mailto:beagleboard%[email protected]>[email protected] >>>>>> <mailto:[email protected]>. >>>>>> For more options, visit >>>>>> <https://groups.google.com/d/optout>https://groups.google.com/d/optout >>>>>> <https://groups.google.com/d/optout>. >>>>>> >>>>>> -- >>>>>> For more options, visit >>>>>> <http://beagleboard.org/discuss>http://beagleboard.org/discuss >>>>>> <http://beagleboard.org/discuss> >>>>>> --- >>>>>> You received this message because you are subscribed to a topic in the >>>>>> Google Groups "BeagleBoard" group. >>>>>> To unsubscribe from this topic, visit >>>>>> https://groups.google.com/d/topic/beagleboard/FUq8HRSvw_g/unsubscribe >>>>>> <https://groups.google.com/d/topic/beagleboard/FUq8HRSvw_g/unsubscribe>. >>>>>> To unsubscribe from this group and all its topics, send an email to >>>>>> <mailto:[email protected]>[email protected] >>>>>> <mailto:[email protected]>. >>>>>> For more options, visit >>>>>> <https://groups.google.com/d/optout>https://groups.google.com/d/optout >>>>>> <https://groups.google.com/d/optout>. >>>>> >>>>> -- >>>>> Bremenpl >>>>> -- >>>>> For more options, visit >>>>> <http://beagleboard.org/discuss>http://beagleboard.org/discuss >>>>> <http://beagleboard.org/discuss> >>>>> --- >>>>> You received this message because you are subscribed to 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more options, visit https://groups.google.com/d/optout >>>>> <https://groups.google.com/d/optout>. >>>> >>>> -- >>>> Bremenpl >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> <http://beagleboard.org/discuss> >>>> --- >>>> You received this message because you are subscribed to the Google Groups >>>> "BeagleBoard" group. >>>> To unsubscribe from this group and stop receiving emails from it, send an >>>> email to [email protected] >>>> <mailto:[email protected]>. >>>> For more options, visit https://groups.google.com/d/optout >>>> <https://groups.google.com/d/optout>. >>>> >>>> -- >>>> For more options, visit http://beagleboard.org/discuss >>>> <http://beagleboard.org/discuss> >>>> --- >>>> You received this message because you are subscribed to a topic in the >>>> Google Groups "BeagleBoard" group. >>>> To unsubscribe from this topic, visit >>>> https://groups.google.com/d/topic/beagleboard/FUq8HRSvw_g/unsubscribe >>>> 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