diff --git a/0.3.7.tar.gz b/0.3.7.tar.gz
new file mode 100644
index 0000000..5cc85d5
Binary files /dev/null and b/0.3.7.tar.gz differ
diff --git a/ocaml-gettext-0.3.7-bytes-fix.patch b/ocaml-gettext-0.3.7-bytes-fix.patch
new file mode 100644
index 0000000..df1c80f
--- /dev/null
+++ b/ocaml-gettext-0.3.7-bytes-fix.patch
@@ -0,0 +1,17 @@
+diff -ur ocaml-gettext-0.3.7.old/libgettext-ocaml/gettextMo_int32.ml ocaml-gettext-0.3.7/libgettext-ocaml/gettextMo_int32.ml
+--- ocaml-gettext-0.3.7.old/libgettext-ocaml/gettextMo_int32.ml	2017-03-01 22:03:24.000000000 +0000
++++ ocaml-gettext-0.3.7/libgettext-ocaml/gettextMo_int32.ml	2017-11-08 18:33:04.486280040 +0000
+@@ -104,11 +104,11 @@
+      (Int32.to_int length,Int32.to_int offset)
+    in
+    if 0 <= ioffset + ilength && ioffset + ilength < in_channel_length chn then
+-     let str = String.make ilength 'X'
++     let str = Bytes.make ilength 'X'
+      in
+      seek_in chn ioffset;
+      really_input chn str 0 ilength;
+-     str
++     Bytes.to_string str
+    else
+      (* We use this exception, because that what should happen if we try to 
+         read the string *)
diff --git a/ocaml-gettext.spec b/ocaml-gettext.spec
new file mode 100644
index 0000000..c0699e1
--- /dev/null
+++ b/ocaml-gettext.spec
@@ -0,0 +1,110 @@
+%global debug_package %{nil}
+
+Name:           ocaml-gettext
+Version:        0.3.7
+Release:        7
+Summary:        Internationalization library for OCaml
+License:        LGPLv2+ with exceptions
+URL:            https://github.com/gildor478/ocaml-gettext
+Source0:        https://github.com/gildor478/ocaml-gettext/archive/%{version}.tar.gz
+Patch0001:      ocaml-gettext-0.3.7-bytes-fix.patch
+BuildRequires:  ocaml >= 4.00.1 ocaml-findlib-devel >= 1.3.3-3 ocaml-ocamldoc
+BuildRequires:  ocaml-camlp4-devel ocaml-fileutils-devel >= 0.4.4-4 docbook-style-xsl
+BuildRequires:  libxslt libxml2 chrpath autoconf ocaml-ounit-devel
+BuildRequires:  ocaml-camomile-devel >= 0.8.6-3 ocaml-camomile-data autoconf, automake
+Requires:       ocaml-camomile-data
+Provides:       ocaml-gettext-camomile = %{version}-%{release}
+Obsoletes:      ocaml-gettext-camomile < %{version}-%{release}
+
+%global __ocaml_requires_opts -i Asttypes -i Parsetree
+%global __ocaml_provides_opts -i Pr_gettext
+
+%description
+The package is used to support for internationalization of Ocaml programs.
+
+%package        devel
+Summary:        Development files for ocaml-gettext and camomile
+Requires:       ocaml-gettext = %{version}-%{release}
+Requires:       ocaml-fileutils-devel >= 0.4.0
+Requires:       ocaml-gettext-camomile = %{version}-%{release}
+Provides:       ocaml-gettext-camomile-devel = %{version}-%{release}
+Obsoletes:      ocaml-gettext-camomile-devel < %{version}-%{release}
+
+
+%description    devel
+The ocaml-gettext-devel package contains development and libraries and files for
+ocaml-gettext and camomile.
+
+
+%prep
+%autosetup -p1
+autoreconf -i
+
+
+%build
+unset MAKEFLAGS
+CFLAGS="$RPM_OPT_FLAGS" ./configure --libdir=%{_libdir} --enable-test \
+  --with-docbook-stylesheet=/usr/share/sgml/docbook/xsl-stylesheets
+make all
+
+
+%check
+cd test
+../_build/bin/test
+cd -
+
+
+%install
+export OCAMLFIND_DESTDIR=$RPM_BUILD_ROOT%{_libdir}/ocaml
+install -d $OCAMLFIND_DESTDIR $OCAMLFIND_DESTDIR/stublibs
+install -d $RPM_BUILD_ROOT%{_bindir}
+
+ocamlfind install gettext _build/lib/gettext/*
+ocamlfind install gettext-stub _build/lib/gettext-stub/*
+ocamlfind install gettext-camomile _build/lib/gettext-camomile/*
+cp _build/bin/ocaml-gettext $RPM_BUILD_ROOT%{_bindir}/
+chmod 0755 $RPM_BUILD_ROOT%{_bindir}/ocaml-gettext
+cp _build/bin/ocaml-xgettext $RPM_BUILD_ROOT%{_bindir}/
+chmod 0755 $RPM_BUILD_ROOT%{_bindir}/ocaml-xgettext
+
+chrpath --delete $OCAMLFIND_DESTDIR/stublibs/dll*.so
+
+
+%files
+%doc COPYING
+%{_libdir}/ocaml/gettext/*.cma
+%{_libdir}/ocaml/gettext/*.cmi
+%{_libdir}/ocaml/gettext/*.cmo
+%{_libdir}/ocaml/gettext/META
+%{_libdir}/ocaml/stublibs/*.so
+%{_libdir}/ocaml/stublibs/*.so.owner
+%{_libdir}/ocaml/gettext-stub/*.cma
+%{_libdir}/ocaml/gettext-stub/*.cmi
+%{_libdir}/ocaml/gettext-stub/META
+%{_libdir}/ocaml/gettext-camomile/*.cma
+%{_libdir}/ocaml/gettext-camomile/*.cmi
+%{_libdir}/ocaml/gettext-camomile/META
+%exclude %{_libdir}/ocaml/gettext-stub/*.o
+
+%files devel
+%doc README CHANGELOG TODO
+%{_libdir}/ocaml/gettext/*.a
+%{_libdir}/ocaml/gettext/*.cmxa
+%{_libdir}/ocaml/gettext/*.cmx
+%{_libdir}/ocaml/gettext-stub/*.a
+%{_libdir}/ocaml/gettext-stub/*.cmxa
+%{_libdir}/ocaml/gettext-stub/*.cmx
+%{_libdir}/ocaml/gettext/*.ml
+%{_libdir}/ocaml/gettext/*.mli
+%{_libdir}/ocaml/gettext-stub/*.ml
+%{_bindir}/ocaml-gettext
+%{_libdir}/ocaml/gettext-camomile/*.a
+%{_libdir}/ocaml/gettext-camomile/*.cmxa
+%{_libdir}/ocaml/gettext-camomile/*.cmx
+%{_libdir}/ocaml/gettext-camomile/*.mli
+%{_bindir}/ocaml-xgettext
+
+
+%changelog
+* Thu Feb 27 2020 zhujunhao <zhujunhao5@huawei.com> - 0.3.7-7
+- Package init