* lib/test/unit/test-unit.gemspec: Add minitest < 5.0.0 dependency

* tool/rbinstall.rb: Add empty implementations for `add_dependency`,
  `add_runtime_dependency`, `add_development_dependency` for
  Gem::Specification.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45032 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 0 deletions

diff --git a/tool/rbinstall.rb b/tool/rbinstall.rb
index b3dad0ee89..9207c9f61b 100755
--- a/tool/rbinstall.rb
+++ b/tool/rbinstall.rb
@@ -600,6 +600,15 @@ end
       GEMSPEC
     end
 
+    def add_dependency(*)
+    end
+
+    def add_development_dependency(*)
+    end
+
+    def add_runtime_dependency(*)
+    end
+
     def self.unresolved_deps
       []
     end