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<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><code>check</code> unit testing framework <A NAME="tex2html6"
  HREF="footnode.html#foot774"><SUP><SPAN CLASS="arabic">3</SPAN></SUP></A>.
    
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<ADDRESS>
Tomasz Kojm
2009-06-10
</ADDRESS>
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