Beyond Linux® From Scratch (systemd edition) - Version 7.6-systemd

Chapter 10. Graphics and Font Libraries

libwebp-0.4.1

Introduction to libwebp

The libwebp package contains a library and support programs to encode and decode images in WebP format.

This package is known to build and work properly using an LFS-7.6 systemd platform.

Package Information

libwebp Dependencies

Recommended

libjpeg-turbo-1.3.1, libpng-1.6.13 and LibTIFF-4.0.3

Optional

Freeglut-2.8.1 and giflib-5.1.0

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

Installation of libwebp

Install libwebp by running the following commands: 

./configure --prefix=/usr           \
            --disable-static        \
            --enable-experimental   \
            --enable-libwebpdecoder \
            --enable-libwebpdemux   \
            --enable-libwebpmux     &&
make

This package does not come with a test suite.

Now, as the root user: 

make install

Command Explanations

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

--enable-experimental: This switch enables building of the experimental features which may be needed by other programs in BLFS and beyond.

--enable-libwebp*: This switch enables building of the additional libwebp libraries which are required to build additional programs from libwebp source and may be needed by other programs in BLFS and beyond.

Contents

Installed Programs: cwebp, dwebp, gif2webp, vwebp and webpmux
Installed Libraries: libwebpdecoder.so, libwebpdemux.so, libwebpmux.so and libwebp.so
Installed Directories: /usr/include/webp

Short Descriptions

cwebp

compresses an image using the WebP format.

dwebp

decompresses WebP files into PNG, PAM, PPM or PGM images.

gif2webp

converts a GIF image to a WebP image.

vwebp

decompresses a WebP file and displays it in a window using OpenGL.

webpmux

used to create a WebP container file and extract/strip relevant data from the container file.

libwebp.so

contains API functions for encoding and decoding WebP Images.

Last updated on 2014-08-23 12:03:12 -0700