#### Beyond Linux® From Scratch (System V Edition) - Version 12.3

### Chapter 33. GNOME Libraries and Desktop

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# Yelp-42.2

## Introduction to Yelp

The Yelp package contains a help browser used for viewing help files.

This package is known to build and work properly using an LFS 12.3 platform.

### Package Information

- Download (HTTP): https://download.gnome.org/sources/yelp/42/yelp-42.2.tar.xz

- Download MD5 sum: 3792122c4ab90725716cd88e9274f0f6

- Download size: 1.4 MB

- Estimated disk space required: 21 MB

- Estimated build time: 0.1 SBU

### Yelp Dependencies

#### Required

gsettings-desktop-schemas-47.1, WebKitGTK-2.46.6 and yelp-xsl-42.1

#### Recommended

desktop-file-utils-0.28

#### Optional

GTK-Doc-1.34.0

### Note

The Yelp package is not required for a functional GNOME Desktop. Note, however, that without Yelp you will not be able to view the built-in Help provided by core GNOME and many of the support applications.

## Installation of Yelp

Install Yelp by running the following commands:

    ./configure --prefix=/usr --disable-static &&
    make

This package does not come with a test suite.

Now, as the `root` user:

    make install

Still as the `root` user, ensure that `/usr/share/applications/mimeinfo.cache` will be updated and therefore the help in gnome applications will work.

    update-desktop-database

## Command Explanations

`--disable-static`: This switch prevents installation of static versions of the libraries.

`--enable-gtk-doc`: Use this parameter if GTK-Doc is installed and you wish to rebuild and install the API documentation.

## Contents

Installed Program: gnome-help (symlink) and yelp
Installed Library: libyelp.so
Installed Directories: /usr/include/libyelp, /usr/share/gtk-doc/html/libyelp (optional), and /usr/{lib,share}/yelp

### Short Descriptions

yelp | is the GNOME Help Browser
`libyelp.so` | contains the Yelp API functions

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