diff --git a/labltk-8.06.0-enable-debugging.patch b/labltk-8.06.0-enable-debugging.patch
new file mode 100644
index 0000000000000000000000000000000000000000..7e968116877458e492f974d07e5b9288c5c38a79
--- /dev/null
+++ b/labltk-8.06.0-enable-debugging.patch
@@ -0,0 +1,28 @@
+--- labltk-8.06.0.old/support/Makefile.common	2014-09-18 05:08:33.000000000 +0100
++++ labltk-8.06.0/support/Makefile.common	2015-02-16 15:11:30.157186457 +0000
+@@ -21,17 +21,17 @@
+ ## Tools from the OCaml distribution
+ 
+ CAMLRUN=$(BINDIR)/ocamlrun
+-CAMLC=$(BINDIR)/ocamlc$(OPT)
+-CAMLOPT=$(BINDIR)/ocamlopt$(OPT)
+-CAMLCB=$(BINDIR)/ocamlc
+-CAMLOPTB=$(BINDIR)/ocamlopt
+-CAMLCOMP=$(CAMLC) -c -warn-error A-3
++CAMLC=$(BINDIR)/ocamlc$(OPT) -g
++CAMLOPT=$(BINDIR)/ocamlopt$(OPT) -g
++CAMLCB=$(BINDIR)/ocamlc -g
++CAMLOPTB=$(BINDIR)/ocamlopt -g
++CAMLCOMP=$(CAMLC) -c -warn-error A-3 -g
+ CAMLYACC=$(BINDIR)/ocamlyacc -v
+ CAMLLEX=$(BINDIR)/ocamllex
+-CAMLLIBR=$(CAMLC) -a
++CAMLLIBR=$(CAMLC) -a -g
+ CAMLDEP=$(BINDIR)/ocamldep
+ COMPFLAGS=-g
+ LINKFLAGS=
+-CAMLOPTLIBR=$(CAMLOPT) -a
+-MKLIB=$(BINDIR)/ocamlmklib
++CAMLOPTLIBR=$(CAMLOPT) -a -g
++MKLIB=$(BINDIR)/ocamlmklib -g
+ CAMLRUNGEN=$(BINDIR)/ocamlrun
diff --git a/labltk-8.06.4-enable-more-debugging.patch b/labltk-8.06.4-enable-more-debugging.patch
new file mode 100644
index 0000000000000000000000000000000000000000..f2a02e41a76f1c152c4007257ab6a22d1333d213
--- /dev/null
+++ b/labltk-8.06.4-enable-more-debugging.patch
@@ -0,0 +1,11 @@
+--- labltk-8.06.4.old/support/Makefile	2017-10-30 09:19:07.000000000 +0000
++++ labltk-8.06.4/support/Makefile	2017-11-07 21:24:58.244605912 +0000
+@@ -28,7 +28,7 @@
+       cltkFile.$(O) cltkMain.$(O) cltkMisc.$(O) cltkTimer.$(O) \
+       cltkVar.$(O) cltkWait.$(O) cltkImg.$(O)
+ 
+-CCFLAGS=-I$(LIBDIR)/caml $(TK_DEFS) $(SHAREDCCCOMPOPTS)
++CCFLAGS=-I$(LIBDIR)/caml $(TK_DEFS) $(SHAREDCCCOMPOPTS) -g
+ 
+ COMPFLAGS=
+ THFLAGS=-I +threads -I vmthreads
diff --git a/labltk-8.06.4.tar.gz b/labltk-8.06.4.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..70059a954f10d399ed64a44d3b1360933dfc3450
Binary files /dev/null and b/labltk-8.06.4.tar.gz differ
diff --git a/labltk.spec b/labltk.spec
new file mode 100644
index 0000000000000000000000000000000000000000..2762818865a1375e3034c5913b53cd77b39f7f3a
--- /dev/null
+++ b/labltk.spec
@@ -0,0 +1,85 @@
+%ifarch %{ocaml_native_compiler}
+%global native_compiler 1
+%else
+%global native_compiler 0
+%endif
+Name:                ocaml-labltk
+Version:             8.06.4
+Release:             1
+Summary:             Tcl/Tk interface for OCaml
+License:             LGPLv2+ with exceptions
+URL:                 https://github.com/garrigue/labltk 
+Source0:             https://github.com/garrigue/labltk/archive/labltk-%{version}/labltk-%{version}.tar.gz
+# This adds debugging (-g) everywhere.
+Patch1:              labltk-8.06.0-enable-debugging.patch
+Patch2:              labltk-8.06.4-enable-more-debugging.patch
+BuildRequires:       ocaml tcl-devel tk-devel
+%description
+labltk or mlTk is a library for interfacing OCaml with the scripting
+language Tcl/Tk (all versions since 8.0.3, but no betas).
+
+%package devel
+Summary:             Tcl/Tk interface for OCaml
+Requires:            %{name}%{?_isa} = %{version}-%{release}
+%description devel
+labltk or mlTk is a library for interfacing OCaml with the scripting
+language Tcl/Tk (all versions since 8.0.3, but no betas).
+This package contains the development files.
+
+%prep
+%setup -q -n labltk-labltk-%{version}
+%patch1 -p1
+%patch2 -p1
+find -name .gitignore -delete
+find -type f | xargs sed -i -e 's/-warn-error/-w/g'
+
+%build
+./configure
+unset MAKEFLAGS
+%if !%{native_compiler}
+make byte
+%else
+make all
+make opt
+%endif
+
+%install
+mkdir -p $RPM_BUILD_ROOT%{_bindir}
+mkdir -p $RPM_BUILD_ROOT%{_libdir}/ocaml/labltk
+mkdir -p $RPM_BUILD_ROOT%{_libdir}/ocaml/stublibs
+make install \
+    BINDIR=$RPM_BUILD_ROOT%{_bindir} \
+    INSTALLDIR=$RPM_BUILD_ROOT%{_libdir}/ocaml/labltk \
+    STUBLIBDIR=$RPM_BUILD_ROOT%{_libdir}/ocaml/stublibs
+%if %{native_compiler}
+install -m 0644 camltk/*.o $RPM_BUILD_ROOT%{_libdir}/ocaml/labltk
+%endif
+
+%files
+%doc Changes README.mlTk
+%dir %{_libdir}/ocaml/labltk
+%{_libdir}/ocaml/labltk/*.cmi
+%{_libdir}/ocaml/labltk/*.cma
+%{_libdir}/ocaml/labltk/*.cmo
+%{_libdir}/ocaml/stublibs/dlllabltk.so
+
+%files devel
+%doc README.mlTk
+%doc examples_camltk
+%doc examples_labltk
+%{_bindir}/labltk
+%{_bindir}/ocamlbrowser
+%{_libdir}/ocaml/labltk/labltktop
+%{_libdir}/ocaml/labltk/pp
+%{_libdir}/ocaml/labltk/tkcompiler
+%{_libdir}/ocaml/labltk/*.a
+%if %{native_compiler}
+%{_libdir}/ocaml/labltk/*.cmxa
+%{_libdir}/ocaml/labltk/*.cmx
+%{_libdir}/ocaml/labltk/*.o
+%endif
+%{_libdir}/ocaml/labltk/*.mli
+
+%changelog
+* Fri Oct 9 2020 maminjie <maminjie1@huawei.com> - 8.06.4-1
+- package init
diff --git a/labltk.yaml b/labltk.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..91661a997ed2aaca2de80a54e764323e15e2e8cc
--- /dev/null
+++ b/labltk.yaml
@@ -0,0 +1,4 @@
+version_control: github
+src_repo: garrigue/labltk
+tag_prefix: "^"
+seperator: "."