Add macro to enable dependency generation on EPEL

nodejs-underscore.spec

@@ -1,3 +1,5 @@
+%{?nodejs_find_provides_and_requires}
+
 %global enable_tests 0
 
 Name:       nodejs-underscore
@@ -47,7 +49,7 @@ cp -pr package.json index.js underscore.js underscore-min.js \
 
 %if 0%{?enable_tests}
 %check
-cp -pr %{nodejs_sitelib} .
+ln -sf %{nodejs_sitelib} .
 %{nodejs_sitelib}/phantomjs/bin/phantomjs \
     test/vendor/runner.js test/index.html?noglobals=true
 %endif