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Linux Distribution Compatibility

Implementation Status

The cross-distribution compatibility improvements have been implemented in phases:

Phase Status Description
Phase 1 ✅ Complete Dynamic GI_TYPELIB_PATH detection using pkg-config, multi-arch support, ALSA library fallbacks
Phase 2 ✅ Complete Enhanced distro detection (Gentoo, Alpine, Void, Solus, Mageia)
Phase 3 ✅ Complete System dependency checker, improved error messages
Phase 4 ✅ Complete CI test matrix, pkg-config as core dependency
Phase 5 ✅ Complete Fixed remaining hardcoded GI_TYPELIB_PATH values in install.sh and CI workflow
Phase 6 ✅ Complete Added wrapper script verification tests, updated documentation
Phase 7 📋 Planned Flatpak packaging for universal distribution support
Phase 8 📋 Planned Snap packaging for Ubuntu Software Store

Technical Implementation

Dynamic GI_TYPELIB_PATH Detection

The installer now uses a robust multi-step approach to detect the correct GI_TYPELIB_PATH across different distributions:

  1. Primary Method: Uses pkg-config --variable=typelibdir gobject-introspection-1.0 (most reliable)

  2. Fallback Paths: Checks common distribution-specific paths in priority order:

    • Ubuntu/Debian multi-arch: /usr/lib/x86_64-linux-gnu/girepository-1.0
    • ARM64: /usr/lib/aarch64-linux-gnu/girepository-1.0
    • Fedora/RHEL: /usr/lib64/girepository-1.0
    • Arch/Generic: /usr/lib/girepository-1.0
    • Local installs: /usr/local/lib/girepository-1.0

  3. Architecture Support: Detected paths for x86_64, ARM64, ARMHF, RISC-V, POWER, and s390x

Wrapper Scripts

The installer creates wrapper scripts (~/.local/bin/vocalinux and ~/.local/bin/vocalinux-gui) that:

  • Set the correct GI_TYPELIB_PATH environment variable
  • Handle input group permissions for Wayland keyboard shortcuts
  • Provide seamless cross-distro compatibility

Desktop Entry

The .desktop entry is automatically configured with the detected GI_TYPELIB_PATH, ensuring the application launches correctly from the application menu regardless of distribution.

Officially Supported Distributions

These distributions are tested and known to work well with Vocalinux:

Distribution Version Status Notes
Ubuntu 22.04+ ✅ Full Support Primary target, most thoroughly tested
Debian 11+, Testing ✅ Full Support Well tested, use Ayatana AppIndicator on Debian 11+
Fedora 39+ ✅ Good Support Uses lib64 paths, fully supported
Arch Linux Rolling ✅ Good Support Community tested, rolling release compatible
openSUSE Tumbleweed ✅ Good Support Good support with zypper package manager

Experimental Support

These distributions may work but have known limitations or are less tested:

Distribution Status Known Issues
Gentoo ⚠️ Experimental No package manager support, manual install required. Packages are compiled from source which takes longer.
Alpine Linux ⚠️ Experimental Uses musl libc (not glibc). Some Python packages may not have pre-built wheels and may need to be compiled.
Void Linux ⚠️ Experimental Untested, manual install required. Uses xbps package manager.
Solus ⚠️ Experimental Untested, manual install required. Uses eopkg package manager.
Mageia ⚠️ Experimental Untested, uses dnf/urpmi package managers.
Linux Mint ✅ Good Support Based on Ubuntu, inherits Ubuntu compatibility
Pop!_OS ✅ Good Support Based on Ubuntu, inherits Ubuntu compatibility
elementary OS ✅ Good Support Based on Ubuntu, inherits Ubuntu compatibility
Zorin OS ✅ Good Support Based on Ubuntu, inherits Ubuntu compatibility
Manjaro ✅ Good Support Based on Arch, inherits Arch compatibility
EndeavourOS ✅ Good Support Based on Arch, inherits Arch compatibility

Not Supported

These distributions are known to be incompatible:

Distribution Status Reason
NixOS ❌ Not Supported Completely different filesystem layout (/nix/store), incompatible with standard installer

Requirements by Distribution

Ubuntu/Debian-based

sudo apt install -y python3-gi gir1.2-gtk-3.0 gir1.2-gdkpixbuf-2.0 \
  portaudio19-dev python3-dev python3-venv pkg-config

Note for Debian 11+: Use gir1.2-ayatanaappindicator3-0.1 instead of gir1.2-appindicator3-0.1

Fedora/RHEL-based

sudo dnf install -y python3-gobject gtk3-devel gobject-introspection-devel \
  portaudio-devel python3-devel python3-virtualenv pkg-config

Arch Linux-based

sudo pacman -S --needed python-gobject gtk3 gobject-introspection \
  portaudio python pkg-config

openSUSE

sudo zypper install -y python3-gobject python3-gobject-cairo gtk3 \
  gobject-introspection-devel portaudio-devel python3-devel \
  python3-virtualenv pkg-config

Gentoo

sudo emerge dev-python/pygobject:3 x11-libs/gtk+:3 dev-libs/libappindicator:3 \
  media-libs/portaudio dev-lang/python:3.9

Note: Gentoo compiles packages from source, which will take longer.

Alpine Linux

sudo apk add py3-gobject3 py3-pip gtk+3.0 py3-cairo portaudio-dev \
  py3-virtualenv pkgconf

Note: Alpine uses musl libc. Some Python packages may need to be compiled from source.

Void Linux

sudo xbps-install -Sy python3-pip python3-gobject gtk+3 libappindicator \
  gobject-introspection portaudio-devel python3-devel pkg-config

Solus

sudo eopkg install python3-pip python3-gobject gtk3 libappindicator \
  gobject-introspection-devel portaudio-devel python3-virtualenv pkg-config

Mageia

sudo dnf install -y python3-gobject gtk3-devel gobject-introspection-devel \
  portaudio-devel python3-devel python3-virtualenv pkg-config
# or
sudo urpmi -y python3-gobject gtk3-devel gobject-introspection-devel \
  portaudio-devel python3-devel python3-virtualenv pkg-config

PyPI, pip, and pipx Installation

The PyPI package is useful when you want a standard Python package install, or when you want to manage Vocalinux with pipx. However, Vocalinux requires system desktop packages that cannot be installed by pip or pipx.

Use the official installer when possible. It installs the required system packages, creates the virtual environment, installs Vocalinux, sets up desktop integration, and downloads the default speech model:

curl -fsSL https://raw.githubusercontent.com/jatinkrmalik/vocalinux/main/install.sh | bash

Important: Install System Packages First

Before running pip install vocalinux or pipx install vocalinux, you must install the required system packages:

Ubuntu/Debian

sudo apt install python3-gi gir1.2-gtk-3.0 gir1.2-ayatanaappindicator3-0.1 \
  libgirepository1.0-dev libcairo2-dev portaudio19-dev python3-dev \
  python3-venv pkg-config xdotool wtype

On Ubuntu 24.04+ or Pop!_OS, install libgirepository-2.0-dev if libgirepository1.0-dev is not available.

Fedora

sudo dnf install python3-gobject gtk3 gtk3-devel libappindicator-gtk3 \
  gobject-introspection-devel portaudio-devel python3-devel \
  python3-virtualenv pkg-config xdotool wtype

Arch Linux

sudo pacman -S python-gobject gtk3 libappindicator gobject-introspection \
  python-cairo portaudio python-virtualenv pkg-config xdotool wtype

openSUSE

sudo zypper install python3-gobject python3-gobject-cairo gtk3 libappindicator \
  gobject-introspection-devel portaudio-devel python3-devel \
  python3-virtualenv pkg-config xdotool wtype

pip Installation Steps

  1. Install system packages (see above for your distribution)

  2. Create a virtual environment with system site-packages enabled:

    python3 -m venv ~/.local/share/vocalinux-pypi/venv --system-site-packages
source ~/.local/share/vocalinux-pypi/venv/bin/activate
pip install --upgrade pip setuptools wheel

    --system-site-packages lets the venv use distro-provided GTK bindings such as python3-gi, which are often more reliable than building PyGObject from source in a venv.

  3. Install Vocalinux from PyPI:

    pip install vocalinux

  4. Run Vocalinux:

    vocalinux

pipx Installation Steps

  1. Install system packages (see above for your distribution)

  2. Install pipx (if not already installed):

    # Ubuntu/Debian
sudo apt install pipx
pipx ensurepath

# Fedora
sudo dnf install pipx
pipx ensurepath

# Arch Linux
sudo pacman -S pipx
pipx ensurepath

  3. Install Vocalinux:

    pipx install vocalinux

  4. Run Vocalinux:

    vocalinux

Why System Packages Are Required

Vocalinux uses GTK3 for its GUI, AppIndicator/Ayatana for the system tray icon, PortAudio for microphone capture, and tools such as xdotool or wtype for text injection. These are system libraries and desktop tools that must be installed with your distribution's package manager. Python packages from PyPI can provide Python bindings, but they do not provide the underlying GTK typelibs, tray support, audio development libraries, or text injection binaries.

Troubleshooting pip/pipx Installation

If vocalinux fails to start:

  1. Check for missing system packages - The error message will indicate which packages are missing
  2. Verify GI_TYPELIB_PATH - In rare cases, you may need to set this environment variable: 
    export GI_TYPELIB_PATH=/usr/lib/x86_64-linux-gnu/girepository-1.0
vocalinux
  3. Check package metadata - Run pip show vocalinux or pipx runpip vocalinux show vocalinux to confirm which version was installed.
  4. Check Python dependencies - Run pip check inside the venv, or pipx runpip vocalinux check for pipx.

If Vocalinux reports that a speech recognition model is missing, open Settings and download a model, or use the official installer to download the default model during setup.

Recommended Alternative

For the best experience with automatic dependency handling, use the official installer:

curl -fsSL https://raw.githubusercontent.com/jatinkrmalik/vocalinux/main/install.sh | bash

This installer automatically detects your distribution and installs all required system packages.

Text Injection Tools

Vocalinux requires text injection tools to work with X11 or Wayland:

For X11

  • xdotool: Required for X11 sessions

For Wayland

  • wtype: Recommended for Wayland native sessions
  • ydotool: Universal alternative that works with both X11 and Wayland
  • xdotool: May work via XWayland fallback

Installation by Distribution

# Ubuntu/Debian/Fedora/Arch/openSUSE
sudo apt install xdotool wtype     # Ubuntu/Debian
sudo dnf install xdotool wtype     # Fedora
sudo pacman -S xdotool wtype       # Arch
sudo zypper install xdotool wtype  # openSUSE

Manual Installation

For unsupported or experimental distributions:

  1. Run the dependency checker:

    bash scripts/check-system-deps.sh

  2. Install missing dependencies using your package manager based on the checker output

  3. Run the installer with --skip-system-deps:

    ./install.sh --skip-system-deps

  4. Or install from source in a virtual environment:

    python3 -m venv venv
source venv/bin/activate
pip install -e .[whisper]

Desktop Environment Compatibility

Desktop Environment Status Notes
GNOME ✅ Full Support Primary target, uses AppIndicator
KDE Plasma ✅ Full Support Works with AppIndicator
Xfce ✅ Full Support Works with AppIndicator
Cinnamon ✅ Full Support Works with AppIndicator
MATE ✅ Full Support Works with AppIndicator
LXQt ✅ Full Support Works with AppIndicator
sway ✅ Good Support Wayland native, uses wtype
i3 ✅ Good Support X11, uses xdotool
Hyprland ⚠️ Experimental Wayland, may need wtype configuration

Autostart Compatibility

Vocalinux uses XDG autostart desktop entries for "Start on Login".

  • Desktop-session autostart file location:
    • $XDG_CONFIG_HOME/autostart/vocalinux.desktop, or
    • ~/.config/autostart/vocalinux.desktop (fallback)
  • This launches Vocalinux as a user GUI app after login.
  • Vocalinux does not create a systemd service/unit for this feature.

Practical caveat:

  • Mainstream desktop environments generally honor XDG autostart.
  • Minimal/custom WM sessions may need an explicit autostart manager or WM startup hook.

Display Server

Display Server Status Notes
X11 ✅ Full Support Uses xdotool for text injection
Wayland ✅ Full Support Uses wtype (native) or xdotool (XWayland)
XWayland ✅ Full Support Automatically detected, falls back to xdotool if needed

Architecture Support

Architecture Status Notes
x86_64 (AMD64) ✅ Full Support Primary target
arm64 (AArch64) ✅ Good Support Tested on Raspberry Pi, ARM64 servers
armhf ⚠️ Experimental Limited testing
riscv64 ⚠️ Experimental Limited testing, may need to compile dependencies

Reporting Issues

When reporting issues, please include:

  1. Distribution information:

    cat /etc/os-release

  2. Desktop environment:

    echo $XDG_CURRENT_DESKTOP
echo $SESSION_TYPE

  3. Dependency checker output:

    bash scripts/check-system-deps.sh

  4. Python version:

    python3 --version

  5. Error messages or logs:

    • Any error messages from the installer
    • Output from running vocalinux-gui from terminal
    • Relevant journal logs if applicable

  6. Steps to reproduce:

    • What you were trying to do
    • What happened instead
    • Expected behavior

Testing Checklist

Use this checklist when testing on a new distribution:

Pre-Install

  • Run dependency checker: bash scripts/check-system-deps.sh
  • Note missing packages
  • Check desktop environment
  • Check display server (X11/Wayland)

Installation

  • Run installer: ./install.sh
  • Check for errors during installation
  • Verify virtual environment was created
  • Check wrapper scripts exist

Post-Install

  • Launch from terminal: ~/.local/bin/vocalinux-gui
  • Launch from application menu
  • Verify tray icon appears
  • Test keyboard shortcuts (Ctrl+Alt+M by default)
  • Test audio recording
  • Test text injection in different applications
  • Test Settings dialog opens correctly
  • Test model download if using Whisper

Known Issues to Watch For

  • AppIndicator not showing in tray
  • Audio device not detected
  • Text injection not working
  • Model download failures
  • Permission errors with udev/input

Contributing Compatibility Fixes

If you successfully get Vocalinux working on an unsupported or experimental distribution:

  1. Test thoroughly using the checklist above
  2. Document any distribution-specific requirements
  3. Submit a PR with:
    • Distribution detection logic (if needed)
    • Package installation commands
    • Any patches or workarounds required
    • Update to this compatibility document

See Also

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