diff --git a/README.md b/README.md
index 5a95570..c970166 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # nlopt
 
+nlopt is a library for nonlinear optimization, wrapping many algorithms for global and local, constrained or unconstrained, optimization
+
diff --git a/nlopt.spec b/nlopt.spec
new file mode 100644
index 0000000..c9d5a75
--- /dev/null
+++ b/nlopt.spec
@@ -0,0 +1,87 @@
+Name:          nlopt
+Version:       2.7.1
+Release:       1mamba
+Summary:       A library for nonlinear optimization
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/stevengj/nlopt
+Source:        https://github.com/stevengj/nlopt.git/v%{version}/nlopt-%{version}.tar.bz2
+License:       LGPL, MIT
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libgcc
+BuildRequires: libpython311-devel
+BuildRequires: libstdc++6-devel
+BuildRequires: octave-devel
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+nlopt is a library for nonlinear optimization, wrapping many algorithms for global and local, constrained or unconstrained, optimization 
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%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}
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%cmake
+%cmake_build
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%cmake_install
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libnlopt.so.*
+%{_libdir}/guile/3.0/extensions/nlopt_guile.so
+%{_libdir}/octave/*/site/oct/*-openmamba-linux-gnu*/nlopt_optimize.oct
+%{python3_sitearch}/_nlopt.so
+%{python3_sitearch}/nlopt.py
+%doc AUTHORS COPYING
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_includedir}/nlopt.f
+%{_includedir}/nlopt.h
+%{_includedir}/nlopt.hpp
+%{_libdir}/libnlopt.so
+%{_libdir}/pkgconfig/nlopt.pc
+%dir %{_libdir}/cmake/nlopt
+%{_libdir}/cmake/nlopt/NLopt*.cmake
+%{_mandir}/man3/nlopt.3*
+%{_mandir}/man3/nlopt_minimize.3*
+%{_mandir}/man3/nlopt_minimize_constrained.3*
+%{_datadir}/guile/site/3.0/nlopt.scm
+%{_datadir}/octave/*/site/m/*.m
+%doc ChangeLog README.md TODO
+
+%changelog
+* Mon Dec 25 2023 Silvan Calarco <silvan.calarco@mambasoft.it> 2.7.1-1mamba
+- package created using the webbuild interface