Cross Compile For Raspberry Pi

This works for all versions of the Pi up to the 4.

Get the files

1. Clone this repo: https://github.com/ab3lson/raspberry-pi-cross-compiler.git
2. Download the Toolchain: wget https://github.com/Pro/raspi-toolchain/releases/latest/download/raspi-toolchain.tar.gz
3. Extract the toolchain: sudo tar xfz raspi-toolchain.tar.gz --strip-components=1 -C /opt

Get Your Libraries

1. Create a folder in your home directory called rpi and put a rootfs folder inside: mkdir -p ~/rpi/rootfs
2. Copy your Pi's root filesystem with rsync to get all of its libraries (replace the IP with your Pi's IP): rsync -vR --progress -rl --delete-after --safe-links [email protected]:/{lib,usr,opt/vc/lib} ~/rpi/rootfs

Install Dependencies

1. sudo apt install cmake

Cross Compile

1. Create a project folder for your C code
2. Save code inside of the project folder
3. Create a file called CMakeLists.txt inside of the project folder
4. Create CMake file (using file in hello_world as a template)
5. Run rpi_cross_compile.sh
6. If your code compiled successfully, it will be found inside the newly created build folder