diff --git a/README.md b/README.md
index 276def0..59bd387 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # zita-convolver
 
+A partitioned convolution engine library.
+
diff --git a/zita-convolver.spec b/zita-convolver.spec
new file mode 100644
index 0000000..416f77a
--- /dev/null
+++ b/zita-convolver.spec
@@ -0,0 +1,72 @@
+Name:          zita-convolver
+Version:       4.0.3
+Release:       1mamba
+Summary:       A partitioned convolution engine library
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://kokkinizita.linuxaudio.org/linuxaudio/
+Source:        https://kokkinizita.linuxaudio.org/linuxaudio/downloads/zita-convolver-%{version}.tar.bz2
+License:       GPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libfftw-devel
+BuildRequires: libgcc
+BuildRequires: libstdc++6-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+A partitioned convolution engine library.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       A partitioned convolution engine library
+
+%description -n lib%{name}
+A partitioned convolution engine library.
+
+%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
+sed -i "/ldconfig/d" source/Makefile
+
+%build
+cd source
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+cd source
+%makeinstall PREFIX=%{_prefix} LIBDIR=%{_libdir}
+
+%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}/libzita-convolver.so.*
+%doc AUTHORS COPYING
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_includedir}/zita-convolver.h
+%{_libdir}/libzita-convolver.so
+%doc README
+
+%changelog
+* Tue Oct 15 2019 Silvan Calarco <silvan.calarco@mambasoft.it> 4.0.3-1mamba
+- package created using the webbuild interface