<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <!--Converted with LaTeX2HTML 2002-2-1 (1.71) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>Requirements</TITLE> <META NAME="description" CONTENT="Requirements"> <META NAME="keywords" CONTENT="clamdoc"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2002-2-1"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="clamdoc.css"> <LINK REL="next" HREF="node11.html"> <LINK REL="previous" HREF="node9.html"> <LINK REL="up" HREF="node9.html"> <LINK REL="next" HREF="node11.html"> </HEAD> <BODY > <DIV CLASS="navigation"><!--Navigation Panel--> <A NAME="tex2html331" HREF="node11.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html327" HREF="node9.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html321" HREF="node9.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html329" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html332" HREF="node11.html">Installing on shell account</A> <B> Up:</B> <A NAME="tex2html328" HREF="node9.html">Installation</A> <B> Previous:</B> <A NAME="tex2html322" HREF="node9.html">Installation</A> <B> <A NAME="tex2html330" HREF="node1.html">Contents</A></B> <BR> <BR></DIV> <!--End of Navigation Panel--> <H2><A NAME="SECTION00041000000000000000"> Requirements</A> </H2> The following elements are required to compile ClamAV: <UL> <LI>zlib and zlib-devel packages </LI> <LI>gcc compiler suite (tested with 2.9x, 3.x and 4.x series) <BR> <SPAN CLASS="textbf">If you are compiling with higher optimization levels than the default one (-O2 for gcc), be aware that there have been reports of misoptimizations. The build system of ClamAV only checks for bugs affecting the default settings, it is your responsibility to check that your compiler version doesn't have any bugs.</SPAN> </LI> </UL> The following packages are optional but <SPAN CLASS="textbf">highly recommended</SPAN>: <UL> <LI>bzip2 and bzip2-devel library </LI> <LI>GNU MP 3 <BR> It's very important to install the GMP package because it allows <code>freshclam</code> to verify the digital signatures of the virus databases and scripted updates. If freshclam was compiled without GMP support it will display "SECURITY WARNING: NO SUPPORT FOR DIGITAL SIGNATURES" on every update. You can download GNU MP at <TT><A NAME="tex2html6" HREF="http://www.swox.com/gmp/">http://www.swox.com/gmp/</A></TT> <BR> A note for Solaris/SPARC users: you must set the <SPAN CLASS="textit">ABI</SPAN> system variable to 32 (e.g. <code>setenv ABI 32</code>) before running the configuration script of GMP. </LI> <LI><code>check</code> unit testing framework <A NAME="tex2html7" HREF="footnode.html#foot756"><SUP><SPAN CLASS="arabic">3</SPAN></SUP></A>. </LI> </UL> <P> <DIV CLASS="navigation"><HR> <!--Navigation Panel--> <A NAME="tex2html331" HREF="node11.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html327" HREF="node9.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html321" HREF="node9.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html329" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html332" HREF="node11.html">Installing on shell account</A> <B> Up:</B> <A NAME="tex2html328" HREF="node9.html">Installation</A> <B> Previous:</B> <A NAME="tex2html322" HREF="node9.html">Installation</A> <B> <A NAME="tex2html330" HREF="node1.html">Contents</A></B> </DIV> <!--End of Navigation Panel--> <ADDRESS> Tomasz Kojm 2008-10-15 </ADDRESS> </BODY> </HTML>