Fix for Jenkins build

Looks like Jenkins is still on OCaml 4.02.3. We should probably upgrade to 4.05 at some point.

1 files changed, 9 insertions, 1 deletions

diff --git a/src/sail_lib.ml b/src/sail_lib.ml
index 082df4c1..8a3072c2 100644
--- a/src/sail_lib.ml
+++ b/src/sail_lib.ml
@@ -540,8 +540,16 @@ let rec pow x = function
   | 0 -> 1
   | n -> x * pow x (n - 1)
 
+(* FIXME: Copy split_on_char from util.ml until we upgrade Jenkins to OCaml 4.05 *)
+let rec split_on_char sep str =
+  try
+    let sep_pos = String.index str sep in
+    String.sub str 0 sep_pos :: split_on_char sep (String.sub str (sep_pos + 1) (String.length str - (sep_pos + 1)))
+  with
+  | Not_found -> [str]
+
 let real_of_string str =
-  match String.split_on_char '.' str with
+  match split_on_char '.' str with
   | [whole; frac] ->
      let whole = Rational.of_int (int_of_string whole) in
      let frac = Rational.div (Rational.of_int (int_of_string frac)) (Rational.of_int (pow 10 (String.length frac)))  in