+my $R = "";
+
+
+for ($^O){
+ /linux/ && do{ $R = "-Wl,--rpath -Wl,\$(RPATH)"};
+ /hpux/ && do{ $R = "+b\$(RPATH)"};
+ /solaris/ && do{ $R = "-R\$(RPATH)"};
+}
+
+# darwin works without this because librrd contains its
+# install_name which will includes the final location of the
+# library after it is installed. This install_name gets transfered
+# to the perl shared object.
+
+my $librrd = "-L../../src/.libs/ $R -lrrd";