merge revision(s) 49306: [Backport #10750]
* configure.in: get rid of pattern substitution, which is not supported by ash, and ash on NetBSD parses whole source first and fails to start. [ruby-dev:48823] [Bug #10750]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
merge revision(s) 49306: [Backport #10750]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_2@49329 b2dd03c8-39d4-4d8f-98ff-823fe69b080e