--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ HAVE_SSL=yes
 
 #CC=gcc
 #CFLAGS=-g
-CFLAGS+=-g -O3 -march=native -flto -falign-functions -falign-jumps -falign-loops -falign-labels -freorder-blocks
+CFLAGS+=-g -O3 -flto -falign-functions -falign-jumps -falign-loops -falign-labels -freorder-blocks
 CFLAGS+=$(if $(HAVE_SSL),-D_HAVE_SSL,)
 LDFLAGS+=-lpcap $(if $(HAVE_SSL),-lssl -lcrypto,)
 PROGRAMS=parasite6 dos-new-ip6 detect-new-ip6 fake_router6 fake_advertise6 fake_solicitate6 fake_mld6 fake_mld26 fake_mldrouter6 flood_mldrouter6 fake_mipv6 redir6 smurf6 alive6 toobig6 rsmurf6 implementation6 implementation6d sendpees6 sendpeesmp6 randicmp6 fuzz_ip6 flood_mld6 flood_mld26 flood_router6 flood_advertise6 flood_solicitate6 trace6 exploit6 denial6 fake_dhcps6 flood_dhcpc6 fake_dns6d fragmentation6 kill_router6 fake_dnsupdate6 ndpexhaust6 detect_sniffer6 dump_router6 fake_router26 flood_router26 passive_discovery6 dnsrevenum6 inverse_lookup6 node_query6 address6 covert_send6 covert_send6d inject_alive6 firewall6 ndpexhaust26 fake_pim6 thcsyn6 redirsniff6 flood_redir6 four2six dump_dhcp6 flood_rs6 fuzz_dhcps6 fuzz_dhcpc6 toobigsniff6 flood_unreach6 connect6