Beyond Linux® From Scratch (systemd Edition) - Version 9.0

Chapter 10. Graphics and Font Libraries

giflib-5.2.1

Introduction to giflib

The giflib package contains libraries for reading and writing GIFs as well as programs for converting and working with GIF files.

This package is known to build and work properly using an LFS-9.0 platform.

Package Information

giflib Dependencies

Required

xmlto-0.0.28

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

Installation of giflib

Install giflib by running the following commands: 

make

This package does not come with a test suite.

Now, as the root user: 

make PREFIX=/usr install &&


find doc \( -name Makefile\* -o -name \*.1 \
         -o -name \*.xml \) -exec rm -v {} \; &&

install -v -dm755 /usr/share/doc/giflib-5.2.1 &&
cp -v -R doc/* /usr/share/doc/giflib-5.2.1

Command Explanations

find doc ... -exec rm -v {} \;: This command removes Makefiles, man and xml files from the documentation directory that would otherwise be installed by the commands that follow.

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

Contents

Installed Programs: gif2rgb, gifbuild, gifclrmp, gifecho, giffix, gifinto, gifsponge, giftext and giftool
Installed Library: libgif.so
Installed Directory: /usr/share/doc/giflib-5.2.1

Short Descriptions

gif2rgb

converts images saved as GIF to 24-bit RGB images.

gifbuild

dumps GIF data in a textual format, or undumps it to a GIF.

gifclrmp

modifies GIF image colormaps.

gifecho

generates a GIF from ASCII text.

giffix

clumsily attempts to fix truncated GIF images.

gifinto

is an end-of-pipe fitting for GIF-processing pipelines.

gifsponge

is used to copy the content of GIFs from one file to another. It's also used as a test of library functionality.

giftext

prints (text only) general information about a GIF file.

giftool

is a GIF transformation tool.

libgif.so

contains API functions required by the giflib programs and any other programs needing library functionality to read, write and manipulate GIF images.

Last updated on 2019-08-17 18:15:25 -0700