ruby2.0(Gem::Security) is required for update-gems

Author: sorah

debian/control

@@ -21,7 +21,7 @@ Build-Depends: autotools-dev,
                netbase,
                openssl,
                procps,
-               ruby | ruby-interpreter | ruby1.8,
+               ruby2.0 | ruby | ruby-interpreter,
                rubygems-integration (>= 1.6),
                systemtap-sdt-dev [linux-any],
                zlib1g-dev

debian/rules

@@ -16,8 +16,8 @@ export SOURCE             := $(shell dpkg-parsechangelog -SSource)
 export RUBY_VERSION       := $(patsubst ruby%,%,$(SOURCE))
 export RUBY_API_VERSION   := $(RUBY_VERSION).0
 
-# Bootstrap with Ruby 1.8 if proper Ruby is not available
-baseruby=$(shell test -x /usr/bin/ruby && echo /usr/bin/ruby || echo /usr/bin/ruby1.8)
+# Gem::Security is required, so use ruby 2.0 or later
+baseruby=$(shell test -x /usr/bin/ruby && ruby -rgem/security -e0 2>/dev/null && echo /usr/bin/ruby || echo /usr/bin/ruby2.0)
 
 configure_options += --enable-multiarch
 configure_options += --target=$(DEB_HOST_MULTIARCH)