-%ruby_archdir %(ruby -r rbconfig -e 'print Config::CONFIG["archdir"]')
-%ruby_rubylibdir %(ruby -r rbconfig -e 'print Config::CONFIG["rubylibdir"]')
-%ruby_ridir %(ruby -r rbconfig -e 'include Config; print File.join(CONFIG["datadir"], "ri", CONFIG["ruby_vers
-ion"], "system")')
-%ruby_sitearchdir %(ruby -r rbconfig -e 'print Config::CONFIG["sitearchdir"]')
-%ruby_version %(ruby -r rbconfig -e 'print Config::CONFIG["ruby_version"]')
+%ruby_archdir %(ruby -r rbconfig -e 'print Config::CONFIG["archdir"]' 2>/dev/null || echo ERROR)
+%ruby_ridir %(ruby -r rbconfig -e 'include Config; print File.join(CONFIG["datadir"], "ri", CONFIG["ruby_version"], "system")' 2>/dev/null || echo ERROR)
+%ruby_rubylibdir %(ruby -r rbconfig -e 'print Config::CONFIG["rubylibdir"]' 2>/dev/null || echo ERROR)
+%ruby_sitearchdir %(ruby -r rbconfig -e 'print Config::CONFIG["sitearchdir"]' 2>/dev/null || echo ERROR)
+%ruby_sitelibdir %(ruby -r rbconfig -e 'print Config::CONFIG["sitelibdir"]' 2>/dev/null || echo ERROR)
+%ruby_version %(ruby -r rbconfig -e 'print Config::CONFIG["ruby_version"]' 2>/dev/null || echo ERROR)
+%ruby_ver_requires_eq Requires: ruby(ver) = %ruby_version
+%ruby_mod_ver_requires_eq Requires: ruby-modules(ver) = %ruby_version