Lynx-2.8.9rel.1

#### Beyond Linux® From Scratch - Version 2019-02-27

### Chapter 18. Text Web Browsers

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# Lynx-2.8.9rel.1

## Introduction to Lynx

Lynx is a text based web browser.

This package is known to build and work properly using an LFS-8.4 platform.

### Package Information

- Download (HTTP): https://invisible-mirror.net/archives/lynx/tarballs/lynx2.8.9rel.1.tar.bz2

- Download MD5 sum: 44316f1b8a857b59099927edc26bef79

- Download size: 2.5 MB

- Estimated disk space required: 31 MB

- Estimated build time: 0.3 SBU

### Lynx Dependencies

#### Optional

GnuTLS-3.6.6 (experimental, to replace openssl), Zip-3.0, UnZip-6.0, an MTA (that provides a sendmail command), and Sharutils-4.15.2 (for a uudecode program)

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

## Installation of Lynx

Install Lynx by running the following commands:

    ./configure --prefix=/usr          \
                --sysconfdir=/etc/lynx \
                --datadir=/usr/share/doc/lynx-2.8.9rel.1 \
                --with-zlib            \
                --with-bzlib           \
                --with-ssl             \
                --with-screen=ncursesw \
                --enable-locale-charset &&
    make

This package does not come with a test suite.

Now, as the `root` user:

    make install-full &&
    chgrp -v -R root /usr/share/doc/lynx-2.8.9rel.1/lynx_doc

## Command Explanations

`--sysconfdir=/etc/lynx`: This parameter is used so that the configuration files are located in `/etc/lynx` instead of `/usr/etc`.

`--datadir=/usr/share/doc/lynx-2.8.9rel.1`: This parameter is used so that the documentation files are installed into `/usr/share/doc/lynx-2.8.9rel.1` instead of `/usr/share/lynx_{doc,help}`.

`--with-zlib`: This enables support for linking `libz` into Lynx.

`--with-bzlib`: This enables support for linking `libbz2` into Lynx.

`--with-ssl`: This enables support for linking SSL into Lynx.

`--with-screen=ncursesw`: This switch enables the use of advanced wide-character support present in the system NCurses library. This is needed for proper display of characters and line wrapping in multibyte locales.

`--enable-locale-charset`: This switch allows Lynx to deduce the proper character encoding for terminal output from the current locale. A configuration step is still needed (see below), but unlike the situation without this switch, the configuration step becomes the same for all users (without the switch one must specify the display character set explicitly). This is important for environments such as a LiveCD, where the amount of system-specific configuration steps has to be reduced to the minimum.

`--enable-nls`: This switch allows Lynx to print translated messages (such as questions about cookies and SSL certificates).

`--with-gnutls`: This enables experimental support for linking GnuTLS into Lynx. Remove the `--with-ssl` switch if you want to use gnutls.

make install-full: In addition to the standard installation, this target installs the documentation and help files.

chgrp -v -R root /usr/share/doc/lynx-2.8.9rel.1/lynx_doc: This command corrects the improper group ownership of installed documentation files.

## Configuring Lynx

### Config Files

`/etc/lynx/lynx.cfg`

### Configuration Information

The proper way to get the display character set is to examine the current locale. However, Lynx does not do this by default. As the `root` user, change this setting:

    sed -e '/#LOCALE/     a LOCALE_CHARSET:TRUE'     \
        -i /etc/lynx/lynx.cfg

The built-in editor in Lynx Breaks Multibyte Characters. This issue manifests itself in multibyte locales, e.g., as the Backspace key not erasing non-ASCII characters properly, and as incorrect data being sent to the network when one edits the contents of text areas. The only solution to this problem is to configure Lynx to use an external editor (bound to the “Ctrl+X e” key combination by default). Still as the `root` user:

    sed -e '/#DEFAULT_ED/ a DEFAULT_EDITOR:vi'       \
        -i /etc/lynx/lynx.cfg

Lynx handles the following values of the DEFAULT_EDITOR option specially by adding cursor-positioning arguments: “emacs”, “jed”, “jmacs”, “joe”, “jove”, “jpico”, “jstar”, “nano”, “pico”, “rjoe”, “vi” (but not “vim”: in order to position the cursor in Vim-8.1, set this option to “vi”).

By default, Lynx doesn't save cookies between sessions. Again as the `root` user, change this setting:

    sed -e '/#PERSIST/    a PERSISTENT_COOKIES:TRUE' \
        -i /etc/lynx/lynx.cfg

Many other system-wide settings such as proxies can also be set in the `/etc/lynx/lynx.cfg` file.

## Contents

Installed Program: lynx
Installed Libraries: None
Installed Directories: /etc/lynx and /usr/share/doc/lynx-2.8.9rel.1

### Short Descriptions

lynx | is a general purpose, text-based, distributed information browser for the World Wide Web.

Last updated on 2019-02-15 15:01:29 -0600

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