diff -ru libnids-1.23/src/Makefile.in libnids-1.23+iPhone/src/Makefile.in
--- libnids-1.23/src/Makefile.in	2008-02-21 10:40:19.000000000 +0000
+++ libnids-1.23+iPhone/src/Makefile.in	2009-01-26 12:16:34.000000000 +0000
@@ -16,7 +16,7 @@
 LIBSHARED      = libnids.so.1.23
 
 CC		= @CC@
-CFLAGS		= @CFLAGS@ -W -Wall -DLIBNET_VER=@LIBNET_VER@ -DHAVE_ICMPHDR=@ICMPHEADER@ -DHAVE_TCP_STATES=@TCPSTATES@ -DHAVE_BSD_UDPHDR=@HAVE_BSD_UDPHDR@
+CFLAGS		= @CFLAGS@ -W -Wall -DLIBNET_VER=@LIBNET_VER@ -DHAVE_ICMPHDR=@ICMPHEADER@ -DHAVE_TCP_STATES=@TCPSTATES@ -DHAVE_BSD_UDPHDR=@HAVE_BSD_UDPHDR@ -fno-common
 LDFLAGS		= @LDFLAGS@
 
 PCAP_CFLAGS	= @PCAP_CFLAGS@