--- /dev/null
+%define fversion %(echo %{version} |tr r -)
+%define modulename bitops
+Summary: Functions for Bitwise operations
+Name: R-cran-%{modulename}
+Version: 1.0r4.1
+Release: 1
+License: GPL v2+
+Group: Applications/Math
+Source0: http://cran.r-project.org/src/contrib/%{modulename}_%{fversion}.tar.gz
+# Source0-md5: 5b434b3e4e3957e247e420afba515e35
+BuildRequires: R >= 2.8.1
+BuildRequires: texlive-fonts-cmsuper
+BuildRequires: texlive-latex-ae
+BuildRequires: texlive-latex-bibtex
+BuildRequires: texlive-xetex
+BuildRoot: %{tmpdir}/%{name}-%{version}-root-%(id -u -n)
+
+%description
+Functions for Bitwise operations on integer vectors.
+
+%prep
+%setup -q -c
+
+%build
+R CMD build %{modulename}
+
+%install
+rm -rf $RPM_BUILD_ROOT
+install -d $RPM_BUILD_ROOT%{_libdir}/R/library/
+R CMD INSTALL %{modulename} --library=$RPM_BUILD_ROOT%{_libdir}/R/library/
+
+%clean
+rm -rf $RPM_BUILD_ROOT
+
+%files
+%defattr(644,root,root,755)
+%doc %{modulename}/DESCRIPTION
+%{_libdir}/R/library/%{modulename}