Beyond Linux® From Scratch - Version 2012-01-16

Chapter 33. GNOME Additional Packages

Orca-2.30.2

Introduction to Orca

Orca enables users with limited vision, or no vision, to use the GNOME desktop and applications effectively. It provides a number of features, including magnification, focus tracking, braille output, automatic screen reading and more.

This package is known to build using an LFS 6.5 platform but has not been tested.

Package Information

Orca Dependencies

Required

AT SPI-1.30.1, D-Bus Python Bindings-0.84.0, and Gnome-Python-2.28.1 (with PyORBit-2.24.0)

Optional

BRLTTY (required for braille output, must have Pyrex installed first), liblouis (required for contracted braille), GNOME Magnifier-0.16.1 (required for screen magnification), Gnome-Python-Desktop-2.30.2 (wnck module required for mouse review), GNOME Speech-0.4.25 (required for speech-enabled screen reading)

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/orca

Installation of Orca

Install Orca by running the following commands: 

if [ $(pkg-config --variable=prefix ORBit-2.0) != "/usr" ]; then
    sed -i "s|PATH=\"|&$(pkg-config \
           --variable=prefix ORBit-2.0)/bin:|" \
        src/orca/orca.in
fi

./configure --prefix=$(pkg-config --variable=prefix ORBit-2.0) &&
make

This package does not come with a test suite.

Now, as the root user: 

make install

Command Explanations

if [ ... != "/usr" ]; then ...; fi: This command is used to add the GNOME prefix bin directory to the hard-coded PATH statement in the script if the GNOME prefix is anything other than /usr.

Contents

Installed Program: orca
Installed Libraries: None
Installed Directories: /usr/lib/python2.7/site-packages/orca/scripts/{apps/{Banshee, Thunderbird,evolution,gcalctool,gedit,gnome-window-properties, packagemanager,pidgin,planner,rhythmbox,soffice,yelp},toolkits/{Gecko, J2SE-access-bridge}}, $GNOME_PREFIX/share/orca/ui

Short Descriptions

orca

is a GUI menu interface used to access and configure the various functionality parameters provided for users with limited vision.

Last updated on 2011-10-31 19:38:44 +0000