diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..a1dc0e8
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/num_enum_derive-0.5.1.crate
diff --git a/rust-num_enum_derive.spec b/rust-num_enum_derive.spec
new file mode 100644
index 0000000..6e67934
--- /dev/null
+++ b/rust-num_enum_derive.spec
@@ -0,0 +1,125 @@
+# Generated by rust2rpm 16
+# Disable to break circular dependency with num_enum
+%bcond_with check
+%global debug_package %{nil}
+
+%global crate num_enum_derive
+
+Name:           rust-%{crate}
+Version:        0.5.1
+Release:        1%{?dist}
+Summary:        Internal implementation details for ::num_enum (Procedural macros to make inter-operation between primitives and enums easier)
+
+# Upstream license specification: BSD-3-Clause
+License:        BSD
+URL:            https://crates.io/crates/num_enum_derive
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Internal implementation details for ::num_enum (Procedural macros to make
+inter-operation between primitives and enums easier).}
+
+%description %{_description}
+
+%package        devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description    devel %{_description}
+
+This package contains library source intended for building other packages
+which use "%{crate}" crate.
+
+%files          devel
+%license LICENSE
+%doc README.md
+%{cargo_registry}/%{crate}-%{version_no_tilde}/
+
+%package     -n %{name}+default-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+default-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "default" feature of "%{crate}" crate.
+
+%files       -n %{name}+default-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+complex-expressions-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+complex-expressions-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "complex-expressions" feature of "%{crate}" crate.
+
+%files       -n %{name}+complex-expressions-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+external_doc-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+external_doc-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "external_doc" feature of "%{crate}" crate.
+
+%files       -n %{name}+external_doc-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+proc-macro-crate-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+proc-macro-crate-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "proc-macro-crate" feature of "%{crate}" crate.
+
+%files       -n %{name}+proc-macro-crate-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%package     -n %{name}+std-devel
+Summary:        %{summary}
+BuildArch:      noarch
+
+%description -n %{name}+std-devel %{_description}
+
+This package contains library source intended for building other packages
+which use "std" feature of "%{crate}" crate.
+
+%files       -n %{name}+std-devel
+%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+
+%prep
+%autosetup -n %{crate}-%{version_no_tilde} -p1
+%cargo_prep
+
+%generate_buildrequires
+%cargo_generate_buildrequires
+
+%build
+%cargo_build
+
+%install
+%cargo_install
+
+%if %{with check}
+%check
+%cargo_test
+%endif
+
+%changelog
+* Fri May 07 09:30:16 PDT 2021 Davide Cavalca <dcavalca@fedoraproject.org> - 0.5.1-1
+- Initial package
diff --git a/sources b/sources
new file mode 100644
index 0000000..39cead1
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (num_enum_derive-0.5.1.crate) = fce1142f78ccad3cef1de504a0c89d38e057849abc5ad0c8e27d284c599b39b521cecf3ec70e055ed82871657e6aacbdc6e7b38d637a5d151aa9956e9ca9df09