diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b1aed47
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,4 @@
+/results_*/
+/*.src.rpm
+
+/const_fn-0.4.2.crate
diff --git a/README.md b/README.md
deleted file mode 100644
index 776ae9d..0000000
--- a/README.md
+++ /dev/null
@@ -1,3 +0,0 @@
-# rust-const_fn
-
-The rust-const_fn package
diff --git a/rust-const_fn.spec b/rust-const_fn.spec
new file mode 100644
index 0000000..6575b3c
--- /dev/null
+++ b/rust-const_fn.spec
@@ -0,0 +1,75 @@
+# Generated by rust2rpm 13
+%bcond_without check
+%global debug_package %{nil}
+
+%global crate const_fn
+
+Name:           rust-%{crate}
+Version:        0.4.2
+Release:        1%{?dist}
+Summary:        Attribute for easy generation of const functions
+
+# Upstream license specification: Apache-2.0 OR MIT
+License:        ASL 2.0 or MIT
+URL:            https://crates.io/crates/const_fn
+Source:         %{crates_source}
+
+ExclusiveArch:  %{rust_arches}
+%if %{__cargo_skip_build}
+BuildArch:      noarch
+%endif
+
+BuildRequires:  rust-packaging
+
+%global _description %{expand:
+Attribute for easy generation of const functions with conditional compilations.}
+
+%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-APACHE LICENSE-MIT
+%doc README.md CHANGELOG.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
+
+%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
+* Thu Sep 17 2020 Fabio Valentini <decathorpe@gmail.com> - 0.4.2-1
+- Initial package
diff --git a/sources b/sources
new file mode 100644
index 0000000..7eb167d
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (const_fn-0.4.2.crate) = f9357fb439e65e59faa7cebfdec564dffcc4979e0791eaf4367dfa7c9f5a0f9a2f5ee536bbb2c733ab0a9db391751cbc4f2e781284921f136b5f292e45d3fb3e