diff --git a/README.md b/README.md
index bd392a8..e0c4fd7 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # liblangtag
 
+liblangtag is an interface library to access/deal with tags for identifying languages, which is described in RFC 5646.
+
diff --git a/liblangtag-0.5.1-gcc-4.5.patch b/liblangtag-0.5.1-gcc-4.5.patch
new file mode 100644
index 0000000..f5c8951
--- /dev/null
+++ b/liblangtag-0.5.1-gcc-4.5.patch
@@ -0,0 +1,11 @@
+--- liblangtag-0.5.1/liblangtag/lt-trie.c.orig	2013-05-27 15:42:55.448188626 +0200
++++ liblangtag-0.5.1/liblangtag/lt-trie.c	2013-05-27 15:41:12.677086344 +0200
+@@ -37,7 +37,7 @@
+ 	lt_iter_t    parent;
+ 	lt_list_t   *stack;
+ 	lt_string_t *pos_str;
+-} lt_trie_iter_t;
++};
+ 
+ /*< private >*/
+ static lt_trie_node_t *
diff --git a/liblangtag.spec b/liblangtag.spec
new file mode 100644
index 0000000..ac4441f
--- /dev/null
+++ b/liblangtag.spec
@@ -0,0 +1,111 @@
+Name:          liblangtag
+Version:       0.5.2
+Release:       1mamba
+Summary:       An interface library to access/deal with tags for identifying languages
+Group:         System/Libraries
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           http://tagoh.bitbucket.org/liblangtag/
+Source:        https://bitbucket.org/tagoh/liblangtag/downloads/liblangtag-%{version}.tar.bz2
+Patch0:        liblangtag-0.5.1-gcc-4.5.patch
+License:       LGPL
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+BuildRequires: libffi-devel
+BuildRequires: libglib-devel
+BuildRequires: liblzma-devel
+BuildRequires: libxml2-devel
+BuildRequires: libz-devel
+## AUTOBUILDREQ-END
+BuildRoot:     %{_tmppath}/%{name}-%{version}-root
+
+%description
+liblangtag is an interface library to access/deal with tags for identifying languages, which is described in RFC 5646.
+
+%package devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+%package apidocs
+Group:         Documentation
+Summary:       %{name} API documentation
+Requires:      %{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      gtk-doc
+
+%description apidocs
+This package includes the %{name} API documentation.
+
+%debug_package
+
+%prep
+%setup -q
+#%patch0 -p1
+
+%build
+%configure --enable-gtk-doc
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -p /sbin/ldconfig
+%postun -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_libdir}/liblangtag-gobject.so.*
+%{_libdir}/liblangtag.so.*
+%dir %{_libdir}/liblangtag
+%{_libdir}/liblangtag/liblangtag-ext-ldml-t.a
+%{_libdir}/liblangtag/liblangtag-ext-ldml-t.la
+%{_libdir}/liblangtag/liblangtag-ext-ldml-t.so
+%{_libdir}/liblangtag/liblangtag-ext-ldml-u.a
+%{_libdir}/liblangtag/liblangtag-ext-ldml-u.la
+%{_libdir}/liblangtag/liblangtag-ext-ldml-u.so
+%{_libdir}/girepository-1.0/LangTag-*.typelib
+%dir %{_datadir}/liblangtag/common/bcp47
+%{_datadir}/liblangtag/common/bcp47/*.xml
+%dir %{_datadir}/liblangtag/common/supplemental
+%{_datadir}/liblangtag/common/supplemental/likelySubtags.xml
+%{_datadir}/liblangtag/language-subtag-registry.xml
+%doc AUTHORS COPYING
+
+%files devel
+%defattr(-,root,root)
+%dir %{_includedir}/liblangtag
+%{_includedir}/liblangtag/*.h
+%{_libdir}/liblangtag-gobject.a
+%{_libdir}/liblangtag-gobject.la
+%{_libdir}/liblangtag-gobject.so
+%{_libdir}/liblangtag.a
+%{_libdir}/liblangtag.la
+%{_libdir}/liblangtag.so
+%{_libdir}/pkgconfig/liblangtag-gobject.pc
+%{_libdir}/pkgconfig/liblangtag.pc
+%{_datadir}/gir-1.0/LangTag-*.gir
+%doc ChangeLog NEWS README
+
+%files apidocs
+%defattr(-,root,root)
+%dir %{_datadir}/gtk-doc/html/liblangtag
+%{_datadir}/gtk-doc/html/liblangtag/*
+
+%changelog
+* Sat Sep 07 2013 Automatic Build System <autodist@mambasoft.it> 0.5.2-1mamba
+- automatic update by autodist
+
+* Fri May 17 2013 Automatic Build System <autodist@mambasoft.it> 0.5.1-1mamba
+- automatic version update by autodist
+
+* Wed Feb 13 2013 Silvan Calarco <silvan.calarco@mambasoft.it> 0.4.0-1mamba
+- package created by silvan using the webbuild interface