1 files changed, 6 insertions, 0 deletions
diff --git a/rational.c b/rational.c
index 01b336a841..de028ee041 100644
--- a/rational.c
+++ b/rational.c
@@ -133,6 +133,12 @@ f_gcd(VALUE x, VALUE y)
   /* NOTREACHED */
 }
 
+VALUE
+rb_gcd(VALUE x, VALUE y)
+{
+  return f_gcd(x, y);
+}
+
 #define get_dat1(x) \
   struct RRational *dat;\
   dat = ((struct RRational *)(x))