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    HowTo: contributing to app development with crossbuilder

    Scheduled Pinned Locked Moved App Development
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      • mardyM Offline
        mardy
        last edited by

        Yes, copying the folder from GutHub works as well 🙂

        About the logs, I need to see those relative to the first time the container is setup: you should delete all your crossbuilder containers, then run crossbuilder again (with the set -e option as well). Those logs will show all the packages being installed, and I'll hopefully understand why dch is not there. The logs you pasted seem to refer to a situation where the container had already been set up.

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        • M Offline
          matteo @mardy
          last edited by matteo

          @mardy here what I have done:

          1. Previous lxd installation deleted with Synaptic (lxd and lxd-client packages);
          2. crossbuilder folder downloaded from https://github.com/ubports/crossbuilder;
          3. I checked that the crossbuilder file got the 'set -e' command at the beginning already provided; however I see that the 'set -x' part is no more there....should I add to the crossbuilder file or leave it as it is, with only the 'set -e' specification? Needless to say, I tried also adding both the commands at the same time but still the 'dch' error is thrown;
          4. Typed 'crossbuilder setup-lxd' to install the container dependencies.

          This is the output: https://paste.ubuntu.com/p/Jd4w6y4BYK/

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          • M Offline
            matteo @matteo
            last edited by

            @mardy any suggestion? I know that you are probably busy but I'm stuck with that and really no clue how to fix this issue.

            Thank you.

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            • mardyM Offline
              mardy
              last edited by

              Sorry @matteo, it's just that I don't read the forum everyday. 🙂

              Yes, indeed I meant that you need to add set -x
              The setup phase seems to be OK, I cannot spot any problems there. Now can you please try to create a new container and show the output?

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              • M Offline
                matteo @mardy
                last edited by

                @mardy I know, sorry if I'm bothering you but this thing is driving me nuts...I feel this to be the last hurdle before to start helping pro-actively UBports, that's why I'm insisting 😉
                Here you go, with the latest output I produced trying to create the OSK container....always complaining about 'dch' missing:

                https://paste.ubuntu.com/p/8KTf8TjKVs/

                Hope you'll find a clue in here.

                Thank you mardy!

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                • mymikeM Offline
                  mymike
                  last edited by

                  Hi, today I finally had another try with crosscompile.
                  I got this in the setup https://paste.ubuntu.com/p/5KWj5j9HjQ/
                  and this trying to execute the rotation-lock indicator https://paste.ubuntu.com/p/hDntZ43mRy/

                  but what about merging this tool with clickable? it already creates working containers (with docker and not lxc) and I think it just need to add the code to build something that isn't a click package and to install it on the device. also you'll use a unique container ans save disk space. but idk, maybe it's just a silly suggestion...

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                  • mymikeM Offline
                    mymike
                    last edited by

                    Oh, wait. I re-run crossbuilder and it has now a long log https://paste.ubuntu.com/p/vSxrr4K7Gn/ and it is complaining about some deps for indicator-display but idk if it's crossbuilder fault or it's indicator's...

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                    • M Offline
                      matteo @mymike
                      last edited by

                      @mymike Michele, would you mind trying to create a container also with the keyboard package cloning it from here as I already did before? I have had several errors (see previous outputs from me) and I'd like to see what's different from your output. Thanks.

                      P.S. what's your Desktop OS? Mine is Ubuntu 16.04.

                      mymikeM 1 Reply Last reply Reply Quote 0
                      • LuksusL Offline
                        Luksus
                        last edited by

                        Just want to add my findings in trying to use crossbuilder:
                        Ubuntu 17.04 (32bit)

                        setup-lxd without zfs went well.
                        When trying to build with "crossbuilder --ubuntu=16.04" it stops with this error:
                        https://paste.ubuntu.com/p/YzNbHgGPpJ/

                        Devices: BQ e4.5, Fairphone 2, Fairphone 3, Lenovo X605F, Pinephone, Moto Z2 Force, OnePlus5T

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                        • M Offline
                          matteo @Luksus
                          last edited by matteo

                          @luksus Why is your output so short? Did you cut it up to the essential?
                          For the error which states 'no device' are you sure you connected your phone to your PC prior to send the crossbuilder command? A tip for you: once connected the device to your PC, you don't need to type the complete command but you just need to write 'crossbuilder' and the script will detect by itself the OS (16.04 or 15.04).

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                          • M Offline
                            matteo
                            last edited by matteo

                            @mardy I think I made one step further. First I just realized that the -su: dch: command not found error is only thrown when I try to crossbuild again the keyboard package when it has been already created. If I wipe the container by lxc stop ubuntu-keyboard-usdk-16-04-amd64-armhf-dev and then lxc delete ubuntu-keyboard-usdk-16-04-amd64-armhf-dev and I crossbuild it at its location, therefore the Container is not connected to the Internet. error is generated.
                            Secondly, I dug into the crossbuilder script and I found that this error, for my case at least, is a fake error. In fact, if I type in the terminal lxc info ubuntu-keyboard-usdk-16-04-amd64-armhf-dev I got this output:
                            0_1537634303668_f6e0517d-ad5c-4197-90dd-20ff3d6897a9-image.png

                            As you can see the connection is actually available for the container (eth0: inet6).
                            However, running the script it is not detected because there is a typo in the concerned code rows:

                            0_1537634500834_98eed83b-11b5-4724-a0a3-9c88c63e27b3-image.png

                            If I get rid of the \b in grep -e "eth0.*inet\b" then the connection is correctly detected and the setup can move forward.
                            Moving forward I got new errors in fetching some repositories. I'm not sure if the crossbuilt succeeded this time; trying to make a small change locally to the keyboard package and crossbuilding it on my phone, it seems I'm not able to see any difference...maybe it's me and probably I touched something not graphically evident as I thought. I'll make other attempts before to be sure I'm not able yet to make crossbuilder to properly work.
                            The very latest output, if you want to help me to understand if the repositories fetching error is problematic and how to circumvent this, is the following: https://paste.ubuntu.com/p/5w78Gz2MJx/.

                            mymikeM 1 Reply Last reply Reply Quote 0
                            • LuksusL Offline
                              Luksus
                              last edited by Luksus

                              @matteo : No I did not cut that output. I did not connect my device, because I thought its not necessary and it would proceed building anyway.
                              I thought the error is, that it does not find the requested image container at https://sdk-images.ubports.com.

                              Devices: BQ e4.5, Fairphone 2, Fairphone 3, Lenovo X605F, Pinephone, Moto Z2 Force, OnePlus5T

                              mymikeM M 2 Replies Last reply Reply Quote 0
                              • mymikeM Offline
                                mymike @Luksus
                                last edited by

                                @luksus maybe there aren't 32bit images to create the container

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                                • mymikeM Offline
                                  mymike @matteo
                                  last edited by

                                  @matteo that ipv6 address is a link-local one, that means it could be used only in local network so, of course, it couldn't reach the internet and fetch the repos...

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                                  • mymikeM Offline
                                    mymike @matteo
                                    last edited by

                                    @matteo I tried but I got some dependencies issues like I got for the indicator-display (of course the deps where different) I have ubuntu 18.04

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                                    • M Offline
                                      matteo @Luksus
                                      last edited by

                                      @luksus thank you for the insight. But I don't understand which repositories are needed and which aren't...Do you and @mymike know something about that? Unfortunately I think we are alone in this...:(

                                      mymikeM 1 Reply Last reply Reply Quote 0
                                      • M Offline
                                        matteo @mymike
                                        last edited by

                                        @mymike I don't follow you: which ipv6 address error are you talking about regarding the dependencies? Please, give me more insight about it.

                                        mymikeM 1 Reply Last reply Reply Quote 0
                                        • mymikeM Offline
                                          mymike @matteo
                                          last edited by

                                          @matteo idk which repos are needed. once the container is running it may have to install updates or dependencies requested by the component you're building, but if no internet connection is found it couldn't download them...

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                                          • mymikeM Offline
                                            mymike @matteo
                                            last edited by

                                            @matteo well, you said a connection is available for your container (eth0: inet6) with the addres fe80::216:3eff:fef5:570c, but that address cannot pass through router, it can only be used inside your local network: it cannot access the internet, so it is normal that deps aren't downloaded as no internet connection is found

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                                            • M Offline
                                              matteo @mymike
                                              last edited by matteo

                                              @mymike oooooh ok.....thank you for the tip. So, according to your comment I actually don't have internet connection, is that right? But how is so? Are we talking about internet connection on my PC right? I do have it...weird...

                                              mymikeM 1 Reply Last reply Reply Quote 0
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