* ext/extmk.rb (extmake): skip uncompiled extensions.

* lib/mkmf.rb (create_makefile): emit no rules for static library if
  $static is nil, e.g., outside of ext/.

* lib/test/unit/ui/console/testrunner.rb (test_started): show test
  name via $0.

* runruby.rb: set environments to use the compiled binary.

* test/runner.rb: do nothing while cross-compiling.

* test/drb/drbtest.rb, test/soap/calc/test_calc_cgi.rb: use envutil to
  know ruby binary.

* test/ruby/envutil.rb: give priority to RUBY environment variable to
  use just compiled binary and libraries.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6125 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/ruby/envutil.rb

@@ -9,6 +9,7 @@ module EnvUtil
     end
     begin
       require "rbconfig"
+      ENV["RUBY"] or
       File.join(
         Config::CONFIG["bindir"],
 	Config::CONFIG["ruby_install_name"] + Config::CONFIG["EXEEXT"]