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remusmp / rpi-rt-kernel

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docker: No such file or directory #13

Closed ryanGT closed 9 months ago

ryanGT commented 11 months ago

I am new to kernel compiling and trying a different options to compile an RT kernel.

I clone the repo , cd-ed into it and then typed make. I get the following error:

~/rpi-rt-kernel$ make rm -fr build make build raspios_image_name=raspios_lite_arm64 make[1]: Entering directory '/home/drkrauss/rpi-rt-kernel' mkdir -p build docker build --build-arg PLATFORM32= --build-arg RASPIOS_IMAGE_NAME=raspios_lite_arm64 -t rpi-rt-linux . make[1]: docker: No such file or directory make[1]: [Makefile:16: build] Error 127 make[1]: Leaving directory '/home/drkrauss/rpi-rt-kernel' make: [Makefile:6: all] Error 2

If it matters, I am not cross-compiling (I don't think). I am running this from an RPi.

Any help would be appreciated.

Thanks, Ryan

remusmp commented 11 months ago

Hi Ryan,

You need docker in order to build the sd card image. The No such file or directory refers to the fact that you don't have docker installed (the docker executable is not found). You may build the sd card image from you personal computer and not from the pi because it cross-compiles for the pi.

Regards, R.

ryanGT commented 11 months ago

Thanks. So, if I tried it from my mac, using homebrew, any ideas what I need to install?

Thanks again, Ryan

ryanGT commented 11 months ago

Current plan is to try this:

brew install arm-linux-gnueabihf-binutils llvm rsync

followed by

brew install docker

and see if I can make.

Regards, Ryan

remusmp commented 11 months ago

Only docker and make. The purpose of using docker is to package all necessary tools inside the container such that you don't need to install them on your host machine.

ryanGT commented 11 months ago

Apparently, docker on mac is tricky:

https://stackoverflow.com/questions/44084846/cannot-connect-to-the-docker-daemon-on-macos

ryanGT commented 11 months ago

I guess my next move is to try Ubuntu in a VirtualBox. I will see what happens.

I have an old Ubuntu machine laying around, but I think it is running something like 16.04 LTS or something insanely old.

ryanGT commented 11 months ago

docker doesn't seem to work in my virtualbox ubuntu. I tried installing the official docker based on instructions here: https://docs.docker.com/desktop/install/ubuntu/. When I try to lauch docker desktop, I get an error about KVM not being enabled.