Rubinius doesn't have rb_big_and

Author: nurse

ext/mysql2/extconf.rb

@@ -23,6 +23,7 @@ def asplode(lib)
 have_func('rb_wait_for_single_fd')
 have_func('rb_hash_dup')
 have_func('rb_intern3')
+have_func('rb_big_cmp')
 
 # borrowed from mysqlplus
 # http://github.com/oldmoe/mysqlplus/blob/master/ext/extconf.rb

ext/mysql2/statement.c

@@ -224,8 +224,14 @@ static int my_big2ll(VALUE bignum, LONG_LONG *ptr)
     }
     else {
         if (len == 8 && nlz_bits == 0 &&
-                rb_big_and(bignum, LL2NUM(LLONG_MAX>>1)) != INT2FIX(0))
+#ifdef HAVE_RB_BIG_AND
+                rb_big_and(bignum, LL2NUM(LLONG_MAX>>1)) != INT2FIX(0)
+#else
+                rb_big_cmp(bignum, LL2NUM(LLONG_MIN)) == INT2FIX(-1)
+#endif
+           ) {
             goto overflow;
+        }
         *ptr = rb_big2ll(bignum);
     }
     return 0;