diff --git a/Makefile b/Makefile
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--- /dev/null
+++ b/Makefile
@@ -0,0 +1,16 @@
+CXX = g++
+CFLAGS ?= -O2 -g -pipe -Wall
+LIBS = -lGL
+INCLUDE = -I.
+OBJS = common/shapes sweep/advancing_front sweep/cdt sweep/sweep sweep/sweep_context
+
+all: libpoly2tri.so.1.0
+
+libpoly2tri.so.1.0: $(patsubst %,%.o, $(OBJS))
+	$(CXX) $(LDFLAGS) -shared -Wl,-soname,libpoly2tri.so.1.0 $^ $(LIBS) -o $@
+
+%.o: %.cc
+	$(CXX) $(CFLAGS) $(INCLUDE) -c -fPIC $< -o $@
+
+clean:
+	rm -f */*.o libpoly2tri.so*
diff --git a/poly2tri.spec b/poly2tri.spec
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index 0000000..3fe036f
--- /dev/null
+++ b/poly2tri.spec
@@ -0,0 +1,50 @@
+Name:           poly2tri
+Version:        0.0
+Release:        19
+Summary:        A 2D constrained Delaunay triangulation library
+License:        BSD
+URL:            https://github.com/greenm01/poly2tri
+Source0:        https://github.com/greenm01/poly2tri/archive/88de49021b6d9bef6faa1bc94ceb3fbd85c3c204/poly2tri.tar.gz
+Source1:        Makefile
+BuildRequires:  gcc-c++ mesa-libGL-devel
+
+%description
+This package provides a library for constrained Delaunay triangulation.
+
+%package        devel
+Summary:        Development files for poly2tri
+Requires:       poly2tri = %{version}-%{release}
+
+%description    devel
+This package contains development files for poly2tri.
+
+%prep
+%autosetup -n   %{name}-88de49021b6d9bef6faa1bc94ceb3fbd85c3c204 -p1
+cp %{SOURCE1} poly2tri/Makefile
+
+%build
+cd poly2tri
+%make_build CFLAGS="%{optflags}" LDFLAGS="%{build_ldflags}"
+
+%install
+install -Dp -m 0755 poly2tri/libpoly2tri.so.1.0 %{buildroot}%{_libdir}/libpoly2tri.so.1.0
+ln -s libpoly2tri.so.1.0 %{buildroot}%{_libdir}/libpoly2tri.so.1
+ln -s libpoly2tri.so.1.0 %{buildroot}%{_libdir}/libpoly2tri.so
+mkdir -p %{buildroot}%{_includedir}/poly2tri/common
+mkdir -p %{buildroot}%{_includedir}/poly2tri/sweep
+cp -p poly2tri/common/*.h  %{buildroot}%{_includedir}/poly2tri/common
+cp -p poly2tri/sweep/*.h   %{buildroot}%{_includedir}/poly2tri/sweep
+cp -p poly2tri/*.h  %{buildroot}%{_includedir}/poly2tri
+
+%files
+%doc AUTHORS LICENSE README
+%{_libdir}/libpoly2tri.so.*
+
+%files devel
+%{_libdir}/libpoly2tri.so
+%{_includedir}/poly2tri
+
+%changelog
+* Wed Feb 19 2020 Jiangping Hu <hujp1985@foxmail.com> - 0.0-19
+- Package init
+
diff --git a/poly2tri.tar.gz b/poly2tri.tar.gz
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index 0000000..81c0991
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