>>>>> "P" == Paul Brannan <pbrannan / atdesk.com> writes:

P> Ah, I see what's going on here.  I was running irb for Ruby 1.6.4, but
P> running make on a machine that was still on Ruby 1.6.3.  Did 1.6.3 not
P> have archdir?

 Apparently no


pigeon% basename `pwd`
ruby-1.6.3
pigeon% grep arch rbconfig.rb
  CONFIG["arch"] = "i686-linux"
pigeon% 

pigeon% basename `pwd`
ruby-1.6.4
pigeon% grep arch rbconfig.rb
  CONFIG["arch"] = "i686-linux"
  CONFIG["archdir"] = "$(rubylibdir)/$(arch)"
  CONFIG["sitearchdir"] = "$(sitelibdir)/$(arch)"
pigeon% 



Guy Decoux