diff --git a/README.md b/README.md
index ea056ce..857749b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libnumbertext
 
+Soros interpreters for C++11, Java, JavaScript and Python.
+
diff --git a/libnumbertext.spec b/libnumbertext.spec
new file mode 100644
index 0000000..81c8a0d
--- /dev/null
+++ b/libnumbertext.spec
@@ -0,0 +1,84 @@
+Name:          libnumbertext
+Version:       1.0
+Release:       1mamba
+Summary:       Soros interpreters for C++11, Java, JavaScript and Python
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/Numbertext/libnumbertext/releases
+## GITSOURCE https://github.com/Numbertext/libnumbertext.git 1.0
+Source:        https://github.com/Numbertext/libnumbertext.git/%{version}/libnumbertext-%{version}.tar.bz2
+License:       BSD, LGPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Soros interpreters for C++11, Java, JavaScript and Python.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%package tools
+Group:         Applications/Publishing
+Summary:       Utility applications for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description tools
+This package contains utility applications for %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+autoreconf -f -i
+%configure
+
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/libnumbertext-1.0.so.*
+%dir %{_datadir}/libnumbertext*
+%{_datadir}/libnumbertext/*.sor
+%doc AUTHORS COPYING THANKS
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/libnumbertext
+%{_includedir}/libnumbertext/*
+%{_libdir}/libnumbertext-1.0.a
+%{_libdir}/libnumbertext-1.0.la
+%{_libdir}/libnumbertext-1.0.so
+%{_libdir}/pkgconfig/libnumbertext.pc
+%doc ChangeLog NEWS README
+
+%files tools
+%defattr(-,root,root)
+%{_bindir}/spellout
+
+%changelog
+* Sat Aug 11 2018 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0-1mamba
+- package created using the webbuild interface