diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b128fc2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/1.21.0.0.0.tar.gz
diff --git a/EMPTY b/EMPTY
deleted file mode 100644
index 0519ecb..0000000
--- a/EMPTY
+++ /dev/null
@@ -1 +0,0 @@
- 
\ No newline at end of file
diff --git a/jigawatts.spec b/jigawatts.spec
new file mode 100644
index 0000000..71cc594
--- /dev/null
+++ b/jigawatts.spec
@@ -0,0 +1,118 @@
+%global uname         jigawatts
+
+# For snapshots. Currently unused.
+%global uversion      a5f8e31a4a967059498f820c5728f1deb0736c69
+%global dversion      %(echo %{uversion} | sed s/-/_/)
+%global shortcommit %(c=%{uversion}; echo ${c:0:7})
+%global commitdate 20210827
+
+%global aarch64       aarch64 arm64 armv8
+
+Name:    %{uname}
+Version: 1.21.0.0.0
+Release: 3%{?dist}
+Summary: Java CRIU helper
+License: GPLv2 with exceptions
+URL:     https://github.com/chflood/%{uname}
+Source0: https://github.com/chflood/%{uname}/archive/refs/tags/%{version}.tar.gz
+
+BuildRequires: java-devel
+BuildRequires: criu-devel
+BuildRequires: gcc
+BuildRequires: gcc-c++
+BuildRequires: autoconf
+BuildRequires: automake
+
+Requires:   java-headless
+
+# criu is only available on these architectures
+# https://bugzilla.redhat.com/show_bug.cgi?id=902875
+ExclusiveArch: x86_64 %{arm} ppc64le aarch64 s390x
+
+%description
+CRIU is a Linux utility that allows the checkpointing and restoring
+of processes.You can read more about CRIU at criu.org. CRIU for
+Java is a package which makes it more convenient to use CRIU from
+Java.
+
+%package javadoc
+Summary: Javadoc for %{name}
+%description javadoc
+Javadoc for %{name}
+
+%prep
+%setup -q
+
+./autogen.sh
+
+%build
+
+%configure
+
+make
+
+%install
+
+rm -rf $RPM_BUILD_ROOT
+%make_install
+
+%files
+%dir %{_pkgdocdir}
+%doc %{_pkgdocdir}/README.md
+%dir %{_defaultlicensedir}/%{name}
+%license %{_defaultlicensedir}/%{name}/LICENSE.md
+%dir %{_javadir}/%{name}
+%{_javadir}/%{name}/%{uname}.jar
+%{_libdir}/libJigawatts.so
+
+%files javadoc
+%{_javadocdir}/%{name}
+
+%changelog
+* Sat Feb 19 2022 Andrew Hughes <gnu.andrew@redhat.com> - 1.21.0.0.0-3
+- Bump release for RHEL 8.6 build.
+- Resolves: rhbz#2000911
+
+* Thu Sep 02 2021 Jiri Vanek <jvanek@redhat.com> - 1.21.0.0.0-2
+- Added gating.yaml
+- Resolves: rhbz#2000911
+
+* Tue Aug 31 2021 Andrew Hughes <gnu.andrew@redhat.com> - 1.21.0.0.0-1
+- Rebase to upstream release, 1.21.0.0.0.
+- Resolves: rhbz#1972024
+
+* Sun Aug 29 2021 Andrew Hughes <gnu.andrew@redhat.com> - 1.0~SNAPSHOT^20210827.a5f8e31-1
+- Store the upstream version (currently "1.0-SNAPSHOT") and snapshot info completely in the Version field rather than using Release.
+- Resolves: rhbz#1972024
+
+* Sat Aug 28 2021 Andrew Hughes <gnu.andrew@redhat.com> - 0.2-0.4.20210807b2d3751
+- Update to latest upstream version with renamed package and consistent use of "jigawatts"
+- Drop library patch which is no longer needed.
+- Resolves: rhbz#1972024
+
+* Mon Aug 02 2021 Andrew Hughes <gnu.andrew@redhat.com> - 0.2-0.3.20210802a3007aa
+- Rewrite to use autotools build system, avoiding need for Maven dependencies missing in RHEL 9.
+- This also ensures use of the standard build flags and installs the jar in the expected location.
+- Resolves: rhbz#1972024
+
+* Wed Jul 21 2021 Andrew Hughes <gnu.andrew@redhat.com> - 0.2-0.1.20210701c15dd4c
+- Remove maven-surefire-provider-junit5 dependency as it doesn't exist in RHEL 8.
+- Correct some typos.
+- Unable to build until criu-devel is available in RHEL 8.
+- Resolves: rhbz#1972024
+
+* Thu Jul 01 2021 Jiri Vanek <jvanek@redhat.com> - 0.2-0.1.20210701c15dd4c
+- criu-devel moved to BR
+- now requires criu-libs
+- enabled debuginfo generation
+- excluded i686 build as criu is 64b only
+- .so file moved out of jar. Required teo patches:
+- added and applied patch0 output_loc.patch
+- added and applied patch1 load_library.patch
+- on aarch64 workarounded missing lib64 on /usr/LD_LIBRARY_PATH
+- Resolves: rhbz#1972024
+
+* Wed Apr 14 2021 Jiri Vanek <jvanek@redhat.com> - 0.2-0.1.20210701c15dd4c
+- initial build
+- added requires of criu-devel
+- Resolves: rhbz#1972024
diff --git a/sources b/sources
new file mode 100644
index 0000000..2fe0923
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (1.21.0.0.0.tar.gz) = 636cc48213e3f14a44af079dfd446fb76fddfa1122c4d143d28c2a1dbd46e0807fe3fe20bec31b99d3054ecefd739f4dd2b49163c8d683dbb466b35f74067069