[root@linux squid-2.5.STABLE5]# ./configure --enable-arp-acl
loading cache ./config.cache
checking for a BSD compatible install... /usr/bin/install -c
checking whether build environment is sane... yes
checking for mawk... no
checking for gawk... gawk
checking whether make sets ${MAKE}... yes
checking whether to enable maintainer-specific portions of Makefiles... no
checking for gcc... no
checking for cc... no
configure: error: no acceptable cc found in $PATH
[root@linux squid-2.5.STABLE5]# pwd
/ins/squid-2.5.STABLE5
nao desinstalei o squid 2.4 e estou instalando o 2.5. esta correto ou nao