Atomic is only available since OCaml 4.12

Author: dinosaure

mirage-crypto-rng.opam

@@ -13,7 +13,7 @@ build: [ ["dune" "subst"] {dev}
          ["dune" "runtest" "-p" name "-j" jobs] {with-test} ]
 
 depends: [
-  "ocaml" {>= "4.08.0"}
+  "ocaml" {>= "4.12.0"}
   "dune" {>= "2.7"}
   "dune-configurator" {>= "2.0.0"}
   "duration"