make-snapshot: substitute configuration variables
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
make-snapshot: substitute configuration variables
in Makefile.in instead of passing by the command line, and make
temporary Makefile instead of a pipe.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@50047 b2dd03c8-39d4-4d8f-98ff-823fe69b080e