diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..afdabfc
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/rJava_1.0-6.tar.gz
diff --git a/R-rJava.spec b/R-rJava.spec
new file mode 100644
index 0000000..955d3f3
--- /dev/null
+++ b/R-rJava.spec
@@ -0,0 +1,76 @@
+%global packname rJava
+%global packvers 1.0-6
+%global rlibdir %{_libdir}/R/library
+
+Name:           R-%{packname}
+Version:        1.0.6
+Release:        %autorelease
+Summary:        Low-Level R to Java Interface
+
+License:        LGPL-2.1-only
+URL:            https://cran.r-project.org/package=%{packname}
+Source0:        %{url}&version=%{packvers}#/%{packname}_%{packvers}.tar.gz
+
+BuildRequires:  R-devel >= 3.6.0
+Recommends:     %{name}-javadoc = %{version}-%{release}
+ExclusiveArch:  %{java_arches}
+
+%description
+Low-level interface to Java VM very much like .C/.Call and friends.
+Allows creation of objects, calling methods and accessing fields.
+
+%package javadoc
+Summary:        Javadoc for %{name}
+Requires:       %{name} = %{version}-%{release}
+BuildArch:      noarch
+
+%description javadoc
+Javadoc for %{name}
+
+%prep
+%setup -q -c -n %{packname}
+rm %{packname}/inst/jri/*.jar
+
+%build
+# rebuild jars
+find %{packname}/jri/REngine -name Makefile -exec sed -i 's/1.6/1.8/g' {} \;
+%make_build -C %{packname}/jri/REngine
+%make_build -C %{packname}/jri/REngine/JRI
+mv %{packname}/jri/REngine/{REngine,JRI/JRIEngine}.jar %{packname}/inst/jri/
+
+%install
+mkdir -p %{buildroot}%{rlibdir}
+%{_bindir}/R CMD INSTALL -l %{buildroot}%{rlibdir} %{packname}
+test -d %{packname}/src && (cd %{packname}/src; rm -f *.o *.so)
+rm -f %{buildroot}%{rlibdir}/R.css
+
+# move javadoc and link it
+mkdir -p %{buildroot}%{_javadocdir}
+mv %{buildroot}%{rlibdir}/%{packname}/javadoc %{buildroot}%{_javadocdir}/%{name}
+ln -s %{_javadocdir}/%{name} %{buildroot}%{rlibdir}/%{packname}/javadoc
+
+%check
+export LANG=C.UTF-8
+export _R_CHECK_FORCE_SUGGESTS_=0
+%{_bindir}/R CMD check --ignore-vignettes --no-examples %{packname}
+
+%files
+%dir %{rlibdir}/%{packname}
+%doc %{rlibdir}/%{packname}/javadoc
+%doc %{rlibdir}/%{packname}/html
+%doc %{rlibdir}/%{packname}/NEWS
+%{rlibdir}/%{packname}/INDEX
+%{rlibdir}/%{packname}/NAMESPACE
+%{rlibdir}/%{packname}/DESCRIPTION
+%{rlibdir}/%{packname}/Meta
+%{rlibdir}/%{packname}/R
+%{rlibdir}/%{packname}/help
+%{rlibdir}/%{packname}/libs
+%{rlibdir}/%{packname}/java
+%{rlibdir}/%{packname}/jri
+
+%files javadoc
+%doc %{_javadocdir}/%{name}
+
+%changelog
+%autochangelog
diff --git a/sources b/sources
new file mode 100644
index 0000000..e248193
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (rJava_1.0-6.tar.gz) = 59152fc4ca1ccc3662c8775b93f0fd0a2f9952cf01b150a18c9d24d21e677bfb39824cd801a0b5cd34ef4a705e58f72d8f9f4bd93116805f95a6b53ae5daf904