1 files changed, 20 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/development/ocaml-modules/semaphore-compat/default.nix b/nixpkgs/pkgs/development/ocaml-modules/semaphore-compat/default.nix
new file mode 100644
index 000000000000..a686ef42e708
--- /dev/null
+++ b/nixpkgs/pkgs/development/ocaml-modules/semaphore-compat/default.nix
@@ -0,0 +1,20 @@
+{ lib, buildDunePackage, fetchurl }:
+
+buildDunePackage rec {
+  pname = "semaphore-compat";
+  version = "1.0.1";
+
+  src = fetchurl {
+    url = "https://github.com/mirage/semaphore-compat/releases/download/${version}/semaphore-compat-${version}.tbz";
+    sha256 = "139c5rxdp4dg1jcwyyxvhxr8213l1xdl2ab0mc288rfcppsiyxrb";
+  };
+
+  useDune2 = true;
+
+  meta = with lib; {
+    description = "Compatibility Semaphore module";
+    homepage = "https://github.com/mirage/semaphore-compat";
+    license = licenses.lgpl21Only;
+    maintainers = [ maintainers.sternenseemann ];
+  };
+}