%general-entities; ]> $LastChangedBy$ $Date$ libpng-&libpng-version; Introduction to <application>libpng</application> The libpng package contains libraries used by other programs for reading and writing PNG files. Package information Download (HTTP): Download (FTP): MD5 Sum: &libpng-md5; Download size: &libpng-size; Estimated disk space required: &libpng-buildsize; Estimated build time: &libpng-time; Additional downloads Required Patch to explicitly link libpng against system libraries: Installation of <application>libpng</application> Install libpng by running the following commands: patch -Np1 -i ../libpng-&libpng-version;-link_to_proper_libs-1.patch && make prefix=/usr ZLIBINC=/usr/include \ ZLIBLIB=/usr/lib -f scripts/makefile.linux && make prefix=/usr install -f scripts/makefile.linux Command explanations ZLIBINC=/usr/include ZLIBLIB=/usr/lib: This forces libpng to look for the zlib includes and libraries where they are installed. -f scripts/makefile.linux: This points make at the Linux version of the Makefile as libpng doesn't use an autoconf routine. Instead it has various Makefiles for different platforms. Configuring <application>libpng</application> Configuration Information Contents The libpng package contains libpng libraries and libpng-config. Description libpng libraries The libpng libraries are a collection of routines used to create and manipulate PNG format graphics files. The PNG format was designed as a replacement for GIF and, to a lesser extent, TIFF, with many improvements and extensions and lack of patent problems. libpng-config libpng-config provides configuration info for libpng.