Moonlight streamer complete dependency installer, build from github sources, local binary installer for linux - works under ubuntu - as for 21-sep-2025.

gistfile1.txt

#!/usr/bin/env bash
set -euo pipefail

# Moonlight-Qt build & install on Ubuntu (Qt6)

# Uninstall existing installs (usr/local, Snap, Flatpak)
sudo rm -f /usr/local/bin/moonlight
sudo rm -f /usr/local/share/applications/com.moonlight_stream.Moonlight.desktop
sudo rm -f /usr/local/share/icons/hicolor/scalable/apps/moonlight.svg
if command -v snap >/dev/null 2>&1 && snap list 2>/dev/null | grep -q '^moonlight\b'; then
  sudo snap remove moonlight || true
fi
if command -v flatpak >/dev/null 2>&1 && flatpak list --app 2>/dev/null | grep -q 'com.moonlight_stream.Moonlight'; then
  flatpak uninstall -y com.moonlight_stream.Moonlight || true
fi

# Deps
sudo apt update
sudo apt install -y \
  build-essential git pkg-config \
  libegl1-mesa-dev libgl1-mesa-dev libopus-dev libsdl2-dev libsdl2-ttf-dev libssl-dev \
  libavcodec-dev libavformat-dev libswscale-dev libva-dev libvdpau-dev libxkbcommon-dev \
  wayland-protocols libdrm-dev \
  qt6-base-dev qt6-declarative-dev libqt6svg6-dev \
  qml6-module-qtquick-controls qml6-module-qtquick-templates qml6-module-qtquick-layouts \
  qml6-module-qtqml-workerscript qml6-module-qtquick-window qml6-module-qtquick \
  libplacebo-dev || true

command -v qmake6 >/dev/null

# Fresh clone
WORKDIR="${HOME}/src"
REPO_DIR="${WORKDIR}/moonlight-qt"
mkdir -p "${WORKDIR}"
rm -rf "${REPO_DIR}"
git clone --depth=1 --recursive https://github.com/moonlight-stream/moonlight-qt "${REPO_DIR}"

# Build (Release)
cd "${REPO_DIR}"
git submodule update --init --recursive
BUILD_DIR="${REPO_DIR}/build-release"
mkdir -p "${BUILD_DIR}"
cd "${BUILD_DIR}"
qmake6 ../moonlight-qt.pro
make -j"$(getconf _NPROCESSORS_ONLN)"

# Install
BIN_PATH="${BUILD_DIR}/app/moonlight"
if [ ! -x "${BIN_PATH}" ]; then
  BIN_PATH="$(find "${BUILD_DIR}/app" -maxdepth 2 -type f -executable -print0 2>/dev/null \
    | xargs -0 file 2>/dev/null \
    | awk -F: '/ELF.*executable/ {print $1; exit}')"
fi
[ -n "${BIN_PATH}" ] && [ -x "${BIN_PATH}" ]
sudo install -Dm755 "${BIN_PATH}" /usr/local/bin/moonlight

# Desktop entry
sudo install -d /usr/local/share/applications
sudo tee /usr/local/share/applications/com.moonlight_stream.Moonlight.desktop >/dev/null <<'EOF'
[Desktop Entry]
Type=Application
Name=Moonlight
Comment=GameStream client
Exec=moonlight
Icon=moonlight
Categories=Game;Utility;
Terminal=false
EOF

# Icon (if available)
ICON_SRC="$(find "${REPO_DIR}" -iname 'moonlight.svg' -o -iname 'icon*.svg' | head -n1 || true)"
if [ -n "${ICON_SRC}" ]; then
  sudo install -Dm644 "${ICON_SRC}" /usr/local/share/icons/hicolor/scalable/apps/moonlight.svg || true
fi

echo "Installed to /usr/local/bin/moonlight"