diff --git a/README.md b/README.md
index 4c44c5c..7c0c7b3 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,5 @@
 # ocaml-result
 
+Compatibility Result module.
+
+
diff --git a/ocaml-result.spec b/ocaml-result.spec
new file mode 100644
index 0000000..0918ff5
--- /dev/null
+++ b/ocaml-result.spec
@@ -0,0 +1,43 @@
+Name:          ocaml-result
+Version:       1.3
+Release:       1mamba
+Summary:       Compatibility Result module
+Group:         System/Libraries/OCaml
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/janestreet/result
+## GITSOURCE https://github.com/janestreet/result.git 1.3
+Source:        https://github.com/janestreet/result.git/%{version}/result-%{version}.tar.bz2
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Compatibility Result module.
+
+
+%prep
+%setup -q -n result-%{version}
+
+%build
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall INSTALL_ARGS="--prefix=%{_datadir} --libdir=%{_libdir}/ocaml"
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files
+%defattr(-,root,root)
+%dir %{_libdir}/ocaml/result
+%{_libdir}/ocaml/result/*
+%dir %{_datadir}/doc/result
+%{_datadir}/doc/result/*
+
+%changelog
+* Tue May 07 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 1.3-1mamba
+- package created using the webbuild interface