diff --git a/README.md b/README.md
index a114086..a050c5b 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libeigen2
 
+Eigen is a C++ template library for linear algebra: vectors, matrices, and related algorithms.
+
diff --git a/libeigen2.spec b/libeigen2.spec
new file mode 100644
index 0000000..f21d554
--- /dev/null
+++ b/libeigen2.spec
@@ -0,0 +1,64 @@
+Name:          libeigen2
+Version:       2.0.17
+Release:       1mamba
+Summary:       A C++ template library for linear algebra
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Davide Madrisan <davide.madrisan@gmail.com>
+URL:           http://eigen.tuxfamily.org
+Source:        http://bitbucket.org/eigen/eigen/get/%{version}.tar.bz2
+License:       LGPL
+## AUTOBUILDREQ-BEGIN
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+BuildRequires: doxygen
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Eigen is a C++ template library for linear algebra: vectors, matrices, and related algorithms.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Static libraries and headers for %{name}
+Provides:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description devel
+Eigen is a C++ template library for linear algebra: vectors, matrices, and related algorithms.
+This package contains static libraries and header files need for development.
+
+%prep
+%setup -q -c
+mv eigen-eigen* eigen
+
+%build
+cd eigen
+%cmake -d build
+%make
+cd ..
+make doc
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+cd eigen
+%makeinstall -C build
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/eigen2
+%{_includedir}/eigen2/*
+%{_datadir}/pkgconfig/eigen2.pc
+%doc eigen/COPYING.LESSER
+
+%changelog
+* Mon Dec 03 2012 Silvan Calarco <silvan.calarco@mambasoft.it> 2.0.17-1mamba
+- update to 2.0.17
+
+* Fri Jul 17 2009 Automatic Build System <autodist@mambasoft.it> 2.0.3-1mamba
+- update to 2.0.3
+
+* Fri May 29 2009 Davide Madrisan <davide.madrisan@gmail.com> 2.0.2-1mamba
+- package created by autospec