diff --git a/README.md b/README.md
index ce63f51..6a263c5 100644
--- a/README.md
+++ b/README.md
@@ -1,2 +1,4 @@
 # cmark
 
+CommonMark parsing and rendering library and program in C.
+
diff --git a/cmark.spec b/cmark.spec
new file mode 100644
index 0000000..ecda86f
--- /dev/null
+++ b/cmark.spec
@@ -0,0 +1,80 @@
+Name:          cmark
+Version:       0.30.2
+Release:       1mamba
+Summary:       CommonMark parsing and rendering library and program in C
+Group:         Development/Tools
+Vendor:        openmamba
+Distribution:  openmamba
+Packager:      Silvan Calarco <silvan.calarco@mambasoft.it>
+URL:           https://github.com/commonmark/cmark
+Source:        https://github.com/commonmark/cmark.git/%{version}/cmark-%{version}.tar.bz2
+License:       BSD
+## AUTOBUILDREQ-BEGIN
+BuildRequires: glibc-devel
+## AUTOBUILDREQ-END
+BuildRequires: cmake
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+
+%description
+CommonMark parsing and rendering library and program in C.
+
+%package -n lib%{name}
+Group:         System/Libraries
+Summary:       Shared libraries for %{name}
+
+%description -n lib%{name}
+This package contains shared libraries for %{name}.
+
+%package -n lib%{name}-devel
+Group:         Development/Libraries
+Summary:       Development files for %{name}
+Requires:      lib%{name} = %{?epoch:%epoch:}%{version}-%{release}
+Requires:      pkg-config
+
+%description -n lib%{name}-devel
+This package contains libraries and header files for developing applications that use %{name}.
+
+
+%debug_package
+
+%prep
+%setup -q
+
+%build
+%cmake -d build
+%make
+
+%install
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+%makeinstall -C build
+
+%clean
+[ "%{buildroot}" != / ] && rm -rf "%{buildroot}"
+
+%post -n lib%{name} -p /sbin/ldconfig
+%postun -n lib%{name} -p /sbin/ldconfig
+
+%files
+%defattr(-,root,root)
+%{_bindir}/cmark
+%{_mandir}/man1/cmark.1*
+
+%files -n lib%{name}
+%defattr(-,root,root)
+%{_libdir}/libcmark.so.*
+%doc COPYING
+
+%files -n lib%{name}-devel
+%defattr(-,root,root)
+%{_includedir}/cmark*.h
+%{_libdir}/libcmark.a
+%{_libdir}/libcmark.so
+%{_libdir}/pkgconfig/libcmark.pc
+%dir %{_libdir}/cmake/cmark
+%{_libdir}/cmake/cmark/cmark-*.cmake
+%{_mandir}/man3/cmark.3*
+%doc README.md
+
+%changelog
+* Sun Jul 10 2022 Silvan Calarco <silvan.calarco@mambasoft.it> 0.30.2-1mamba
+- package created using the webbuild interface