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furkantokac / buildroot

Buildroot fork customized for RPI3, iMX6, TK1, Qt, FastBoot.
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Problem with cross-copmiplation of QT #18

Closed krzychk2 closed 3 years ago

krzychk2 commented 3 years ago

Hi. I have a problem with cross-compilation of QT using Your script: build-rpi3-qt.sh

QT downoladed version is 5.12.1

I have error: ERROR: Feature 'opengles2' was enabled, but the pre-condition 'config.win32 || (!config.watchos && !features.opengl-desktop && libs.opengl_es2)' failed.

ERROR: The OpenGL functionality tests failed!

You might need to modify the include and library search paths by editing QMAKE_INCDIR_OPENGL[_ES2],

QMAKE_LIBDIR_OPENGL[_ES2] and QMAKE_LIBS_OPENGL[_ES2] in the mkspec for your platform.

make: *** Nie podano obiektów i nie znaleziono makefile. Stop.

make: *** Brak reguł do wykonania obiektu 'install'. Stop.

I have looked in different forum and it looks like problem with opengl libraries paths for RPi.

Also I've got suggestion to add if - downloaded file statent to script, just to avoid downloading already downoladed qt source-code. Thanks.

furkantokac commented 3 years ago

Hey @krzychk2

Did you run make ftdev_rpi3_fastboot_defconfig or just run build-rpi3-qt.sh ? If the buildroot compile without any problem at first, Qt should be built without any problem. It is tested.

Also I've got suggestion to add if - downloaded file statent to script, just to avoid downloading already downoladed qt source-code.

Thanks for your suggestion. I thought that putting a simple script and let people easily play on it is more handy than having a complex script.

krzychk2 commented 3 years ago

Hey @furkantokac

Yes, I have ran make ftdev_rpi3_fastboot_defconfig and it has built without any problems. Maybe You have something in Your enviromental settings that builds the Qt without any problems.

furkantokac commented 3 years ago

Hey @krzychk2

I always use this build on different PCs. I have just build it for you, and I verify that it is working without any problem. My environment:

By checking the log you shared, I suspect that there is a problem on your Buildroot build. Please be sure that you've installed all the Buildroot dependencies and build your distro without any problem.

krzychk2 commented 3 years ago

Hey @furkantokac Well, I don't know what happened but I have cleaned the project, rebuilt it and all worked. qmake has build. Script has an error at the end so built qmake does not move to the final folder, where the script claims it should be - but all is working. Thanks fot the support

furkantokac commented 3 years ago

@krzychk2 As I've though, I think that you've build the distro without cleaning your old distro in the buildroot/output folder and it created a problem. In Buildroot, I recommend you that remove the buildroot/output folder if you go to a big update, package removal or kernel update on your current build. By practicing, you'll understand when you need to remove the buildroot/output folder. Also, create an independent download folder to use all of your buildroot projects, as I did in my config BR2_DL_DIR="$(HOME)/.dl" so you'll save lots of time with that.

Good job!