diff --git a/README.md b/README.md
index 7639c78..32b1dc7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # libinstpatch
 
+An instrument patches library.
+
diff --git a/libinstpatch.spec b/libinstpatch.spec
new file mode 100644
index 0000000..dca52d7
--- /dev/null
+++ b/libinstpatch.spec
@@ -0,0 +1,81 @@
+Name:          libinstpatch
+Version:       1.0.0
+Release:       2mamba
+Summary:       An instrument patches library
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://swami.sourceforge.net/
+Source:        http://downloads.sourceforge.net/sourceforge/swami/libinstpatch-%{version}.tar.gz
+License:       GPL
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libaudiofile-devel
+BuildRequires: libglib-devel
+BuildRequires: libpython-devel
+BuildRequires: libsndfile-devel
+## AUTOBUILDREQ-END
+
+%description
+An instrument patches library.
+
+%package devel
+Summary:       Devel package for %{name}
+Group:         Development/Libraries
+Requires:      %{name} = %{?epoch:%epoch:}%{version}
+
+%description devel
+An instrument patches library.
+
+This package contains static libraries and header files need for development.
+
+%prep
+%setup -q
+
+%build
+%configure LIBS="`pkg-config --libs gobject-2.0`"
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf %{buildroot}
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf %{buildroot}
+
+%files
+%defattr(-,root,root)
+#%{_bindir}/cram
+%{_bindir}/riff_dump
+%{_libdir}/libinstpatch-1.0.so.*
+%{python_sitearch}/ipatchmodule.a
+%{python_sitearch}/ipatchmodule.la
+%{python_sitearch}/ipatchmodule.so
+%{_datadir}/pygtk/2.0/defs/ipatch-types.defs
+%{_datadir}/pygtk/2.0/defs/ipatch.defs
+%doc AUTHORS COPYING
+
+%files devel
+%defattr(-,root,root)
+%{_libdir}/libinstpatch-1.0.a
+%{_libdir}/libinstpatch-1.0.la
+%{_libdir}/libinstpatch-1.0.so
+%dir %{_includedir}/libinstpatch-1.0/
+%dir %{_includedir}/libinstpatch-1.0/libinstpatch
+%{_includedir}/libinstpatch-1.0/libinstpatch/*.h
+%dir %{_datadir}/gtk-doc/html/libinstpatch
+%{_datadir}/gtk-doc/html/libinstpatch/*
+%{_exec_prefix}/lib/pkgconfig/*.pc
+#%doc ChangeLog NEWS README
+
+%changelog
+* Tue Jun 04 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.0-2mamba
+- python 2.7 mass rebuild
+
+* Mon Nov 28 2011 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.0-1mamba
+- update to 1.0.0
+
+* Fri May 26 2006 Silvan Calarco <silvan.calarco@mambasoft.it> 1.0.0pre1-1qilnx
+- package created by autospec