config errors on OS X 10.3.6

[Rob Kudyba]

configure: WARNING: netinet/tcpip.h: present but cannot be compiled
configure: WARNING: netinet/tcpip.h: check for missing prerequisite headers?
configure: WARNING: netinet/tcpip.h: proceeding with the preprocessor's 
result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/ip.h: present but cannot be compiled
configure: WARNING: netinet/ip.h: check for missing prerequisite headers?
configure: WARNING: netinet/ip.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##


configure: WARNING: netinet/ip_icmp.h: present but cannot be compiled
configure: WARNING: netinet/ip_icmp.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/ip_icmp.h: proceeding with the 
preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##


configure: WARNING: net/if.h: present but cannot be compiled
configure: WARNING: net/if.h: check for missing prerequisite headers?
configure: WARNING: net/if.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: ufs/ffs/fs.h: present but cannot be compiled
configure: WARNING: ufs/ffs/fs.h: check for missing prerequisite headers?
configure: WARNING: ufs/ffs/fs.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: sys/mbuf.h: present but cannot be compiled
configure: WARNING: sys/mbuf.h: check for missing prerequisite headers?
configure: WARNING: sys/mbuf.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: net/if_mib.h: present but cannot be compiled
configure: WARNING: net/if_mib.h: check for missing prerequisite headers?
configure: WARNING: net/if_mib.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/in_var.h: present but cannot be compiled
configure: WARNING: netinet/in_var.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/in_var.h: proceeding with the preprocessor's 
result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/if_ether.h: present but cannot be compiled
configure: WARNING: netinet/if_ether.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/if_ether.h: proceeding with the 
preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/ip_var.h: present but cannot be compiled
configure: WARNING: netinet/ip_var.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/ip_var.h: proceeding with the preprocessor's 
result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet6/nd6.h: present but cannot be compiled
configure: WARNING: netinet6/nd6.h: check for missing prerequisite headers?
configure: WARNING: netinet6/nd6.h: proceeding with the preprocessor's 
result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/tcp_var.h: present but cannot be compiled
configure: WARNING: netinet/tcp_var.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/tcp_var.h: proceeding with the 
preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/udp_var.h: present but cannot be compiled
configure: WARNING: netinet/udp_var.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/udp_var.h: proceeding with the 
preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/icmp_var.h: present but cannot be compiled
configure: WARNING: netinet/icmp_var.h: check for missing prerequisite 
headers?
configure: WARNING: netinet/icmp_var.h: proceeding with the 
preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: netinet/ip6.h: present but cannot be compiled
configure: WARNING: netinet/ip6.h: check for missing prerequisite headers?
configure: WARNING: netinet/ip6.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##

configure: WARNING: net/route.h: present but cannot be compiled
configure: WARNING: net/route.h: check for missing prerequisite headers?
configure: WARNING: net/route.h: proceeding with the preprocessor's result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##