add R rules

diff --git a/mk/r_rules.mk b/mk/r_rules.mk
new file mode 100644 (file)
index 0000000..afcd816
--- /dev/null
+++ b/mk/r_rules.mk
@@ -0,0 +1,6 @@
+R=R
+ROPTS=-q --no-save --no-restore-data
+
+# something: something.R
+#      $(R) $(ROPTS) -f $< --args $(wordlist 2,$(words $^),$^) $@
+