checking util.h usability... no
checking util.h presence... yes
configure: WARNING: util.h: present but cannot be compiled
configure: WARNING: util.h:     check for missing prerequisite headers?
configure: WARNING: util.h: see the Autoconf documentation
configure: WARNING: util.h:     section "Present But Cannot Be Compiled"
configure: WARNING: util.h: proceeding with the preprocessor's result
configure: WARNING: util.h: in the future, the compiler will take  
precedence
configure: WARNING:     ## ---------------------------------------- ##
configure: WARNING:     ## Report this to lib-bug-people@NetBSD.org ##
configure: WARNING:     ## ---------------------------------------- ##
checking for util.h... yes

What gives?

-- thorpej