diff --git a/README.md b/README.md
index d9f5ee8..cd60368 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # m17n-lib
 
+A library which realizes multilingualization of many aspects of applications.
+
diff --git a/m17n-lib.spec b/m17n-lib.spec
new file mode 100644
index 0000000..a809b66
--- /dev/null
+++ b/m17n-lib.spec
@@ -0,0 +1,137 @@
+Name:          m17n-lib
+Version:       1.8.0
+Release:       3mamba
+Summary:       A library which realizes multilingualization of many aspects of applications
+Group:         Development/Tools
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://www.nongnu.org/m17n/
+Source:        http://download.savannah.gnu.org/releases/m17n/m17n-lib-%{version}.tar.gz
+License:       LGPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: ldconfig
+BuildRequires: libICE-devel
+BuildRequires: libSM-devel
+BuildRequires: libX11-devel
+BuildRequires: libXaw-devel
+BuildRequires: libXft-devel
+BuildRequires: libXmu-devel
+BuildRequires: libXt-devel
+BuildRequires: libanthy-devel
+BuildRequires: libfontconfig-devel
+BuildRequires: libfreetype-devel
+BuildRequires: libfribidi-devel
+BuildRequires: libgd-devel
+BuildRequires: liblzma-devel
+BuildRequires: libthai-devel
+BuildRequires: libxml2-devel
+BuildRequires: libz-devel
+## AUTOBUILDREQ-END
+Requires:      libm17n = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+A library which realizes multilingualization of many aspects of applications.
+
+%package -n libm17n
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%description -n libm17n
+This package contains shared libraries for %{name}.
+
+%package -n libm17n-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      libm17n = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description -n libm17n-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%configure
+%make -j1
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n libm17n -p /sbin/ldconfig
+%postun -n libm17n -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/m17n-conv
+%{_bindir}/m17n-date
+%{_bindir}/m17n-dump
+%{_bindir}/m17n-edit
+%{_bindir}/m17n-view
+
+%files -n libm17n
+%defattr(-,root,root)
+%{_libdir}/libm17n.so.*
+%{_libdir}/libm17n-core.so.*
+%{_libdir}/libm17n-flt.so.*
+%{_libdir}/libm17n-gui.so.*
+%dir %{_libdir}/m17n
+%dir %{_libdir}/m17n/1.0
+%{_libdir}/m17n/1.0/libm17n-X.a
+%{_libdir}/m17n/1.0/libm17n-X.la
+%{_libdir}/m17n/1.0/libm17n-X.so
+%{_libdir}/m17n/1.0/libm17n-gd.a
+%{_libdir}/m17n/1.0/libm17n-gd.la
+%{_libdir}/m17n/1.0/libm17n-gd.so
+%{_libdir}/m17n/1.0/libmimx-anthy.a
+%{_libdir}/m17n/1.0/libmimx-anthy.la
+%{_libdir}/m17n/1.0/libmimx-anthy.so
+%{_libdir}/m17n/1.0/libmimx-ispell.a
+%{_libdir}/m17n/1.0/libmimx-ispell.la
+%{_libdir}/m17n/1.0/libmimx-ispell.so
+%doc AUTHORS COPYING
+
+%files -n libm17n-devel
+%defattr(-,root,root)
+%{_includedir}/m17n-X.h
+%{_includedir}/m17n-core.h
+%{_includedir}/m17n-flt.h
+%{_includedir}/m17n-gui.h
+%{_includedir}/m17n-misc.h
+%{_includedir}/m17n.h
+%{_libdir}/libm17n-core.a
+%{_libdir}/libm17n-core.la
+%{_libdir}/libm17n-core.so
+%{_libdir}/libm17n-flt.a
+%{_libdir}/libm17n-flt.la
+%{_libdir}/libm17n-flt.so
+%{_libdir}/libm17n-gui.a
+%{_libdir}/libm17n-gui.la
+%{_libdir}/libm17n-gui.so
+%{_libdir}/libm17n.a
+%{_libdir}/libm17n.la
+%{_libdir}/libm17n.so
+%{_libdir}/pkgconfig/m17n-core.pc
+%{_libdir}/pkgconfig/m17n-flt.pc
+%{_libdir}/pkgconfig/m17n-gui.pc
+%{_libdir}/pkgconfig/m17n-shell.pc
+%doc ChangeLog NEWS README TODO
+
+%changelog
+* Thu Mar 18 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.8.0-3mamba
+- m17n-lib: fix requirement for libm17n
+
+* Thu Mar 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.8.0-2mamba
+- fix: move libm17n.so.* from devel to lib package
+
+* Thu Mar 11 2021 Silvan Calarco <silvan.calarco@mambasoft.it> 1.8.0-1mamba
+- package created using the webbuild interface