sudo apt install build-essential cmake pkg-config \
libx11-dev libxext-dev libxrandr-dev libxcursor-dev libxfixes-dev \
libxi-dev libxss-dev libxtst-dev libxkbcommon-dev \
libwayland-dev libdecor-0-dev \
libgl1-mesa-dev libegl1-mesa-dev \
libdrm-dev libgbm-devSDL3 is built from the vendored submodule — no system SDL package needed.
git submodule update --init --recursive
cmake -B build
cmake --build build --parallel "$(nproc)"cmake --install build --prefix /usr/localcmake -B build -DCMAKE_BUILD_TYPE=Debug
cmake --build build --parallel "$(nproc)"