diff --git a/README.md b/README.md
index 4ab68fc..624c3f2 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,6 @@
 # onig
 
+Oniguruma is a regular expressions library.
+The characteristics of this library is that different character encoding
+for every regular expression object can be specified.
+
diff --git a/onig.spec b/onig.spec
new file mode 100644
index 0000000..e8a7ccd
--- /dev/null
+++ b/onig.spec
@@ -0,0 +1,77 @@
+Name:          onig
+Version:       5.9.2
+Release:       1mamba
+Summary:       A regular expressions library
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://www.geocities.jp/kosako3/oniguruma/
+Source:        http://www.geocities.jp/kosako3/oniguruma/archive/onig-%{version}.tar.gz
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+Oniguruma is a regular expressions library.
+The characteristics of this library is that different character encoding 
+for every regular expression object can be specified. 
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       A regular expressions library
+
+%description -n lib%{name}
+Oniguruma is a regular expressions library.
+The characteristics of this library is that different character encoding 
+for every regular expression object can be specified. 
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+## note: you can add this requirement if .pc files are provided by this package
+#Requires:      pkg-config
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%configure
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%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}/libonig.so.*
+%doc AUTHORS COPYING
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_bindir}/onig-config
+%{_includedir}/onig*.h
+%{_libdir}/libonig.a
+%{_libdir}/libonig.la
+%{_libdir}/libonig.so
+%doc README README.ja
+
+%changelog
+* Thu Jul 26 2012 Silvan Calarco <silvan.calarco@mambasoft.it> 5.9.2-1mamba
+- package created by autospec