Bug noticed.

[EXT-Gutierrez, David]

The following information was given after ranning the ./configure as
root in a HPUX server. 
HP-UX B.11.11



checking for sys/select.h... no
checking sys/socket.h usability... no
checking sys/socket.h presence... yes
configure: WARNING: sys/socket.h: present but cannot be compiled
configure: WARNING: sys/socket.h: check for missing prerequisite
headers?
configure: WARNING: sys/socket.h: proceeding with the preprocessor's
result
configure: WARNING:     ## ------------------------------------ ##
configure: WARNING:     ## Report this to address@hidden ##
configure: WARNING:     ## ------------------------------------ ##
checking for sys/socket.h... yes
checking for sys/stat.h... (cached) yes
checking sys/systeminfo.h usability... no
checking sys/systeminfo.h presence... no
checking for sys/systeminfo.h... no