diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..6913078
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/ppx_hash-*.tar.gz
diff --git a/ocaml-ppx-hash.spec b/ocaml-ppx-hash.spec
new file mode 100644
index 0000000..457ee22
--- /dev/null
+++ b/ocaml-ppx-hash.spec
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+%ifnarch %{ocaml_native_compiler}
+%global debug_package %{nil}
+%endif
+
+%global srcname ppx-hash
+%global upname  ppx_hash
+
+Name:           ocaml-%{srcname}
+Version:        0.14.0
+Release:        1%{?dist}
+Summary:        Generate hash functions from type expressions and definitions
+
+License:        MIT
+URL:            https://github.com/janestreet/%{upname}
+Source0:        %{url}/archive/v%{version}/%{upname}-%{version}.tar.gz
+
+BuildRequires:  ocaml >= 4.04.2
+BuildRequires:  (ocaml-base-devel >= 0.14 with ocaml-base-devel < 0.15)
+BuildRequires:  ocaml-dune >= 2.0.0
+BuildRequires:  (ocaml-ppx-compare-devel >= 0.14 with ocaml-ppx-compare-devel < 0.15)
+BuildRequires:  (ocaml-ppx-sexp-conv-devel >= 0.14 with ocaml-ppx-sexp-conv-devel < 0.15)
+BuildRequires:  ocaml-ppxlib-devel >= 0.11.0
+BuildRequires:  ocaml-odoc
+
+%description
+Ppx_hash is a ppx rewriter that generates hash functions from type
+expressions and definitions.
+
+%package        devel
+Summary:        Development files for %{name}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+Requires:       ocaml-ppx-compare-devel%{?_isa}
+Requires:       ocaml-ppx-sexp-conv-devel%{?_isa}
+
+%description    devel
+The %{name}-devel package contains libraries and signature
+files for developing applications that use %{name}.
+
+%prep
+%autosetup -n %{upname}-%{version}
+
+%build
+dune build %{?_smp_mflags} --display=verbose
+dune build %{?_smp_mflags} @doc
+
+%install
+dune install --destdir=%{buildroot}
+
+# We do not want the dune markers
+find _build/default/_doc/_html -name .dune-keep -delete
+
+# We do not want the ml files
+find %{buildroot}%{_libdir}/ocaml -name \*.ml -delete
+
+# We install the documentation with the doc macro
+rm -fr %{buildroot}%{_prefix}/doc
+
+%ifarch %{ocaml_native_compiler}
+# Add missing executable bits
+find %{buildroot}%{_libdir}/ocaml -name \*.cmxs -exec chmod a+x {} \+
+%endif
+
+%check
+dune runtest
+
+%files
+%doc CHANGES.md README.md
+%license LICENSE.md
+%dir %{_libdir}/ocaml/%{upname}/
+%dir %{_libdir}/ocaml/%{upname}/expander/
+%dir %{_libdir}/ocaml/%{upname}/runtime-lib/
+%{_libdir}/ocaml/%{upname}/META
+%{_libdir}/ocaml/%{upname}/*.cma
+%{_libdir}/ocaml/%{upname}/*.cmi
+%{_libdir}/ocaml/%{upname}/*/*.cma
+%{_libdir}/ocaml/%{upname}/*/*.cmi
+%ifarch %{ocaml_native_compiler}
+%{_libdir}/ocaml/%{upname}/*.cmxs
+%{_libdir}/ocaml/%{upname}/*/*.cmxs
+%endif
+
+%files devel
+%doc _build/default/_doc/_html/*
+%{_libdir}/ocaml/%{upname}/dune-package
+%{_libdir}/ocaml/%{upname}/opam
+%ifarch %{ocaml_native_compiler}
+%{_libdir}/ocaml/%{upname}/*.a
+%{_libdir}/ocaml/%{upname}/*.cmx
+%{_libdir}/ocaml/%{upname}/*.cmxa
+%{_libdir}/ocaml/%{upname}/*/*.a
+%{_libdir}/ocaml/%{upname}/*/*.cmx
+%{_libdir}/ocaml/%{upname}/*/*.cmxa
+%endif
+%{_libdir}/ocaml/%{upname}/*.cmt
+%{_libdir}/ocaml/%{upname}/*.cmti
+%{_libdir}/ocaml/%{upname}/*.mli
+%{_libdir}/ocaml/%{upname}/*/*.cmt
+%{_libdir}/ocaml/%{upname}/*/*.cmti
+%{_libdir}/ocaml/%{upname}/*/*.mli
+
+%changelog
+* Sat Jun 20 2020 Jerry James <loganjerry@gmail.com> - 0.14.0-1
+- Initial RPM
diff --git a/sources b/sources
new file mode 100644
index 0000000..3d7d631
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (ppx_hash-0.14.0.tar.gz) = 21d68c0655c21fcd0cecceb8c69e45706b57db160e49c3b112e67cc874a8084946dbae8709ed99f24e7282182c7238cf95ef00bec3ac5a271409e9d5f788467c