2 files changed, 36 insertions, 0 deletions
diff --git a/pkgs/development/ocaml-modules/trace/default.nix b/pkgs/development/ocaml-modules/trace/default.nix
new file mode 100644
index 0000000000000..208a879b1d1c2
--- /dev/null
+++ b/pkgs/development/ocaml-modules/trace/default.nix
@@ -0,0 +1,21 @@
+{ lib, fetchurl, buildDunePackage }:
+
+buildDunePackage rec {
+  pname = "trace";
+  version = "0.2";
+
+  minimalOCamlVersion = "4.05";
+
+  src = fetchurl {
+    url = "https://github.com/c-cube/trace/releases/download/v${version}/trace-${version}.tbz";
+    hash = "sha256-iScnZxjgzDqZFxbDDXB0K4TkdDJDcrMC03sK/ltbqJQ=";
+  };
+
+  meta = {
+    description = "Common interface for tracing/instrumentation libraries in OCaml";
+    license = lib.licenses.mit;
+    homepage = "https://c-cube.github.io/trace/";
+    maintainers = [ lib.maintainers.vbgl ];
+  };
+
+}
diff --git a/pkgs/development/ocaml-modules/trace/tef.nix b/pkgs/development/ocaml-modules/trace/tef.nix
new file mode 100644
index 0000000000000..c1a6f9251554e
--- /dev/null
+++ b/pkgs/development/ocaml-modules/trace/tef.nix
@@ -0,0 +1,15 @@
+{ buildDunePackage, trace, mtime }:
+
+buildDunePackage {
+  pname = "trace-tef";
+  inherit (trace) src version;
+
+  propagatedBuildInputs = [ mtime trace ];
+
+  doCheck = true;
+
+  meta = trace.meta // {
+    description = "A simple backend for trace, emitting Catapult JSON into a file";
+  };
+
+}