1 files changed, 6 insertions, 1 deletions
diff --git a/pkgs/development/tools/ocaml/ocp-build/default.nix b/pkgs/development/tools/ocaml/ocp-build/default.nix
index cf5372bdc202..ca74a701315a 100644
--- a/pkgs/development/tools/ocaml/ocp-build/default.nix
+++ b/pkgs/development/tools/ocaml/ocp-build/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchFromGitHub, ocaml, findlib, ncurses }:
+{ stdenv, fetchpatch, fetchFromGitHub, ocaml, findlib, ncurses }:
 let
   version = "1.99.19-beta";
 in
@@ -13,6 +13,11 @@ stdenv.mkDerivation {
     sha256 = "162k5l0cxyqanxlml5v8mqapdq5qbqc9m4b8wdjq7mf523b3h2zj";
   };
 
+  patches = stdenv.lib.optional (stdenv.lib.versionAtLeast ocaml.version "4.08") (fetchpatch {
+    url = "https://raw.githubusercontent.com/ocaml/opam-repository/master/packages/ocp-pp/ocp-pp.1.99.19-beta/files/0001-Fix-ocp-pp-for-changes-in-compiler-libs.patch";
+    sha256 = "0s0s2hh4d7cmwd6i7ixjgb79vij0r1v54m0vwwi26b3fips09qyn";
+  });
+
   buildInputs = [ ocaml findlib ];
   propagatedBuildInputs = [ ncurses ];
   preInstall = "mkdir -p $out/bin";