remove -O2 cabal build option
remove -O2 cabal build option

cabal check:
'ghc-options: -O2' is rarely needed. Check that it is giving a real benefit
and not just imposing longer compile times on your users.

jcaesar/Iptables_Semantics,jcaesar/Iptables_Semantics,diekmann/Iptables_Semantics,diekmann/Iptables_Semantics,diekmann/Iptables_Semantics,jcaesar/Iptables_Semantics