diff --git a/README.md b/README.md
index 97954c2..395c5b0 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # luajit
 
+A Just-In-Time Compiler for Lua
+
diff --git a/luajit.spec b/luajit.spec
new file mode 100644
index 0000000..0940695
--- /dev/null
+++ b/luajit.spec
@@ -0,0 +1,87 @@
+%define libpath %(echo %{_libdir} | cut -d/ -f 3)
+Name:          luajit
+Version:       2.0.5
+Release:       2mamba
+Summary:       a Just-In-Time Compiler for Lua
+Group:         Applications/Development
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Ercole 'ercolinux' Carpanetto <ercole69@gmail.com>
+URL:           https://luajit.org/luajit.html
+Source:        https://luajit.org/download/LuaJIT-%{version}.tar.gz
+License:       MIT
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libgcc
+## AUTOBUILDREQ-END
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+A Just-In-Time Compiler for Lua
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q -n LuaJIT-%{version}
+
+%build
+%make amalg PREFIX=/usr DESTDIR=%{buildroot} TARGET_STRIP=: MULTILIB=%{libpath}
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall PREFIX=/usr DESTDIR=%{buildroot} MULTILIB=%{libpath}
+
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/luajit
+%{_bindir}/luajit-%{version}
+%dir %{_datadir}/luajit-%{version}
+%dir %{_datadir}/luajit-%{version}/jit
+%{_mandir}/man1/%{name}*
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_datadir}/luajit-%{version}/jit/*.lua
+%{_libdir}/libluajit-5.1.so.*
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%dir %{_includedir}/luajit-2.0
+%{_includedir}/luajit-2.0/*.h
+%{_includedir}/luajit-2.0/lua.hpp
+%{_libdir}/libluajit-5.1.a
+%{_libdir}/pkgconfig/luajit.pc
+
+%changelog
+* Thu Apr 02 2020 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.5-2mamba
+- enable debug package, libluajit: require luajit, cleanups
+
+* Thu Apr 02 2020 Ercole 'ercolinux' Carpanetto <ercole69@gmail.com> 2.0.5-1mamba
+- package created using the webbuild interface