libevent-2.1.8

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

### Chapter 17. Networking Libraries

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# libevent-2.1.8

## Introduction to libevent

libevent is an asynchronous event notification software library. The libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached. Furthermore, libevent also supports callbacks due to signals or regular timeouts.

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

### Package Information

- Download (HTTP): https://github.com/libevent/libevent/releases/download/release-2.1.8-stable/libevent-2.1.8-stable.tar.gz

- Download MD5 sum: f3eeaed018542963b7d2416ef1135ecc

- Download size: 1.0 MB

- Estimated disk space required: 18 MB (add 1 MB for the tests and 6 MB for the API docs)

- Estimated build time: 0.3 SBU (add 10 SBU for the tests)

### libevent Dependencies

#### Optional

Doxygen-1.8.15 (for API documentation)

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

## Installation of libevent

Install libevent by running the following commands:

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

If you have Doxygen-1.8.15 installed and wish to build API documentation, issue doxygen Doxyfile.

To test the results, issue: make verify.

Now, as the `root` user:

    make install

If you built the API documentation, install it by issuing the following commands as the `root` user:

    install -v -m755 -d /usr/share/doc/libevent-2.1.8/api &&
    cp      -v -R       doxygen/html/* \
                        /usr/share/doc/libevent-2.1.8/api

## Command Explanations

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

## Contents

Installed Program: event_rpcgen.py
Installed Libraries: libevent_core.so, libevent_extra.so, libevent_openssl.so, libevent_pthreads.so and libevent.so
Installed Directory: /usr/include/event2 and /usr/share/doc/libevent-2.1.8

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

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