Unfortunately I'm still running FC6 and the gcc compile was from 2007. I just have not had time to upgrade the box. I have tried what you suggested and still have the same issues. From: Eliezer Croitoru < eliezer@xxxxxxxxxxxx > Date: August 27, 2012 2:59:35 PM CDT To: squid-users@xxxxxxxxxxxxxxx Subject: Re: Compile error Squid 3.2.1 On 08/27/2012 09:25 PM, Jeff Gerard wrote: I am looking for help in determining why my compile will not work. I have been running into the following errors during compile: <SNIP> I am running this on Fedora Core 6 (have been running 3.1.20 with no issue) and gcc version is 4.1.2 6 ? you mean the 2006 version? Configure options: '--prefix=/usr' '--exec-prefix=/usr' '--bindir=/usr/sbin' '--libexecdir=/usr/lib/squid' '--localstatedir=/var' '--datadir=/usr/share' '--sysconfdir=/etc/squid' '--enable-removal-policies=heap,lru' '--enable-storeio=aufs,diskd,ufs' '--enable-ssl' '--with-openssl=/usr/kerberos' '--enable-delay-pools' '--enable-linux-netfilter' '--enable-external-acl-helpers=ip_user,ldap_group,unix_group,wbinfo_group' '--enable-useragent-log' '--enable-referer-log' '--disable-dependency-tracking' '--enable-cachemgr-hostname=localhost' '--enable-cache-digests' '--with-large-files' '--disable-wccpv2' '--disable-wccp' 'CFLAGS=-march=i486' 'LDFLAGS=-pie -lpcreposix -lpcre' i would start with a more "basic" configure with netfiler enabled and see if there anything el The only references to that error I have seen deal with adding the -march=i486 CFLAG option which I have tried, to no avail. Any help would be greatly appreciated. Thanks in advance... Jeff