Change ASMEXT to s
By the default of GNU make, .S is used to be compiled with CC, but we have already used .s as ia64.s, and now coroutine/*/Context.s.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Change ASMEXT to s
By the default of GNU make, .S is used to be compiled with CC, but
we have already used .s as ia64.s, and now coroutine/*/Context.s.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@65885 b2dd03c8-39d4-4d8f-98ff-823fe69b080e