>>>>> "D" == Daniel Berger <djberge / qwest.com> writes: D> When I run "ruby extconf.rb", I get this: "checking for D> gethostbyname_r()... no". The same thing happens on Solaris 8 as well. You must add "netdb.h" nasun% ruby -v extconf.rb ruby 1.6.7 (2002-03-01) [sparc-solaris2.8] checking for gethostbyname_r()... yes nasun% nasun% cat extconf.rb require 'mkmf' have_func('gethostbyname_r', 'netdb.h') nasun% Guy Decoux