Got warnings when building inetutils (autoconf2.59)

[Jon Björkebäck]

Hi, when compiling inetutils on a solaris machine i've got this errors when 
running configure :

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

The full screencapture is attached in screencap_conf.txt

screencap_conf.txt
Description: screencap_conf.txt