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Makefile file format not recognized when using cross compiler

The problem is that you set CC for the cross compiler, but you need to set CXX to set the C++ cross compiler. Since you didn't change that, it used the native C++ compiler, and the object files are ...
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Makefile file format not recognized when using cross compiler

There are no build rules for the object files you list as dependencies, so Make compiles them using its default rule, using g++, i.e. the native compiler, not the cross-compiler. You then try to link ...
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RPI 4B - Bluetooth unavailable on Ubuntu 20.04

On Ubuntu 22.04 Desktop (Raspberry Pi Imager version), this is how I got it working: From a terminal, sudo apt update && sudo apt upgrade When that's all done (and it will take a while), run ...
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RaspberryPi security, Bios settings, ubuntu secure boot. 2fa u2fa hacking

In order to hack/boot the RaspberryPi when you only have access to one of the usb ports u need to be able to plug in a storage device MSD (mass storage device). Technically the Yubikey is not a ...
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Ubuntu booting from SSD (USB) with Raspi 4

The only solution that I found for this was to do a clean re-install of the system. Unfortunately the Ubuntu version that I had installed at the time was one of the first to support USB booting. If ...
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