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r6e23722	r3e5d1b0
1	1	<sect2>
2		<title>Configuring ~~libpng~~</title>
	2	<title>Configuring <application>libpng</application></title>
3	3
4	4	<sect3><title>Configuration Information</title>

general/graphlib/libpng/libpng-desc.xml

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 <title>Contents</title>
+<para>The libpng package contains <filename>libpng</filename> libraries and <userinput>libpng-config</userinput>.</para>
+<para>The <application>libpng</application> package contains <filename>
+libpng</filename> libraries and <filename>libpng-config</filename>.</para>
 </sect2>
 …
 <sect3><title>png libraries</title>
+<para>The PNG library is 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.</para></sect3>
+<para>The <acronym>PNG</acronym> library is a collection of routines used to
+create and manipulate <acronym>PNG</acronym> format graphics files. The
+<acronym>PNG</acronym> format was designed as a
+replacement for <acronym>GIF</acronym> and, to a lesser extent,
+<acronym>TIFF</acronym>, with many improvements and extensions and lack of
+patent problems.</para></sect3>
 <sect3><title>libpng-config</title>
+<para>libpng-config provides configuration info for libpng.</para></sect3>
+<para><filename>libpng-config</filename> provides configuration info for
+<application>libpng</application>.</para></sect3>
 </sect2>

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 <title>Command explanations</title>
+<para><userinput>ZLIBINC=/usr/include ZLIBLIB=/usr/lib</userinput> : This forces libpng to look for the zlib includes and
+libraries where we have them installed.</para>
+<para><command>ZLIBINC=/usr/include ZLIBLIB=/usr/lib</command> : This forces libpng to look for the zlib includes and libraries where we have them installed.</para>
+<para><userinput>-f scripts/makefile.linux</userinput> : This points
+make at the Linux version of the makefile as libpng doesn't use a
+<para><command>-f scripts/makefile.linux</command> : This points
+make at the Linux version of the makefile as
+<application>libpng</application> doesn't use a
 autoconf routine instead coming with various makefiles for different
 platforms.</para>

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 <sect2>
 <title>Installation of libpng</title>
+<title>Installation of <application>libpng</application></title>
 <para>Install libpng by running the following commands:</para>
+<para>Install <application>libpng</application> by running the following commands:</para>
+<para><screen><userinput>patch -Np0 -i ../libpng-1.2.5-lz.patch &amp;&amp;
+make prefix=/usr \
+<screen><userinput><command>make prefix=/usr \
    ZLIBINC=/usr/include ZLIBLIB=/usr/lib -f scripts/makefile.linux &amp;&amp;
 make prefix=/usr install -f scripts/makefile.linux</userinput></screen></para>
+make prefix=/usr install -f scripts/makefile.linux</command></userinput></screen>
 </sect2>

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 <sect2>
 <title>Introduction to libpng</title>
+<title>Introduction to <application>libpng</application></title>
+<screen>Download location (HTTP):       <ulink url="&libpng-download-http;"/>
+Download location (FTP):        <ulink url="&libpng-download-ftp;"/>
+Version used:                   &libpng-version;
+Package size:                   &libpng-size;
+Estimated Disk space required:  &libpng-buildsize;</screen>
+<para>The libpng package contains the libpng libraries.  These are used
+<para>The <application>libpng</application> package contains libraries used
 by other programs for reading and writing png files.</para>
+<para>Download the patch to force linking of libpng to libz from <ulink url="&hfile-root;"/>.</para>
+<sect3><title>Package information</title>
+<itemizedlist spacing='compact'>
+<listitem><para>Download (HTTP): <ulink
+url="&libpng-download-http;"/></para></listitem>
+<listitem><para>Download (FTP): <ulink
+url="&libpng-download-ftp;"/></para></listitem>
+<listitem><para>Download size: &libpng-size;</para></listitem>
+<listitem><para>Estimated Disk space required:
+&libpng-buildsize;</para></listitem>
+<listitem><para>Estimated build time:
+&libpng-time;</para></listitem></itemizedlist>
+</sect3>
+<!-- <para>Download the patch to force linking of libpng to libz from
+<ulink url="&hfile-root;"/>.</para> -->
 </sect2>

r6e23722	r3e5d1b0
10	10	<!ENTITY libpng-download-ftp "ftp://swrinde.nde.swri.edu/pub/png/src/libpng-1.2.5.tar.gz">
11	11	<!ENTITY libpng-size "376 KB">
	12	<!ENTITY libpng-time "">

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