Installing and Building the Right whisper.cpp

Cloning the Github repository locally

cd ~
git clone https://github.com/ggerganov/whisper.cpp

Build additional libraries

sudo apt install -y libsdl2-dev

Building whisper-stream

The -j2 flag limits parallel build jobs to 2. Using -j4 or higher may cause the Pi to crash due to memory exhaustion.

cd ~/whisper.cpp
rm -rf build
cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DWHISPER_SDL2=ON
cmake --build build --target whisper-stream -- -j2