readline5.0 on solaris 10

[ray . mccaffity]

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

Everything seems to compile fine.  Even readline5.0
Solaris 10, gcc 3.4.2, but I get this error when compiling readline5.0

Ray McCaffity
Midrange Cluster and Database
651.962.1063
address@hidden