QT 5.15.2 cross compiling for raspi2

[Michal91]

Hell I'll try to compile QT lib for rasppery pi 2b on windows 10 machine.
I using all copy requred library from my pi device as.
Generaly try to follow this tutorial https://mechatronicsblog.com/cross-compile-and-deploy-qt-5-12-for-raspberry-pi/.
When I follow step 6 I use

mic@DESKTOP-CFA49SR:/mnt/d/qt5pi$ ../qt-everywhere-src-5.15.2/configure -release -opengl es2 -device linux-rpi2-g++ -device-option CROSS_COMPILE=/mnt/e/VisualStudio/Common7/IDE/VC/Linux/bin/gdb/8.1/arm-linux-gnueabihf-gdb.exe -sysroot /mnt/d/sysroot -opensource -confirm-license -skip qtwayland -skip qtlocation -skip qtscript -make libs -prefix /mnt/d/qt5pi -extprefix /mnt/d/qt5pi/extPrefix -hostprefix /mnt/d/qt5pi/hostPrefix -no-use-gold-linker -v -no-gbm

command from installation folder, but it wont generet make file. In other words i cant use make file inside my qt sourc folder. Errror: make: *** No targets specified and no makefile found. Stop.
What I made wrong.

[SGaist]

Hi and welcome to devnet,

@Michal91 said in QT 5.15.2 cross compiling for raspi2:

CROSS_COMPILE=/mnt/e/VisualStudio/Common7/IDE/VC/Linux/bin/gdb/8.1/arm-linux-gnueabihf-gdb.exe

This, at least, does not make sense, you should remove the gdb.exe part.

I currently cannot comment for the rest as I never cross-compiled from Windows.

[Michal91]

@SGaist It seems you get right. I must get test compilation with other compiler. I'll try to find current compiler from MVS and change path.

[SGaist]

It would likely be simpler to create a dedicated virtual machine (or maybe use the Linux subsystem for Windows) for your cross-compilation environnement.

[Pablo J. Rogina]

@SGaist said in QT 5.15.2 cross compiling for raspi2:

or maybe use the Linux subsystem for Windows

it looks like OP is already using WSL

mic@DESKTOP-CFA49SR:/mnt/d/qt5pi$

[mzimmers]

Just a note: WSL2 doesn't have support for using USB to serial adapters. I don't know whether one uses one of these for the pi, but it's something to be aware of.