diff --git a/.gitignore b/.gitignore
index e69de29..cd1abe5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -0,0 +1,5 @@
+.build*
+x86_64/
+HdrHistogram_c-*.rpm
+/HdrHistogram_c-*.tar.gz
+/HdrHistogram_c-0.9.12.tar.gz
diff --git a/HdrHistogram_c.spec b/HdrHistogram_c.spec
new file mode 100644
index 0000000..3783214
--- /dev/null
+++ b/HdrHistogram_c.spec
@@ -0,0 +1,87 @@
+Name: HdrHistogram_c
+Version: 0.11.0
+Release: 3%{?dist}
+Summary: C port of the HdrHistogram 
+License: BSD and Public Domain
+URL: https://github.com/HdrHistogram/%{name}
+Source0: https://github.com/HdrHistogram/%{name}/archive/%{version}/%{name}-%{version}.tar.gz
+
+BuildRequires: gcc g++ cmake zlib-devel
+
+%description
+C port of High Dynamic Range (HDR) Histogram.
+
+%package devel
+Summary: Development files for %{name}
+Requires: %{name}%{?_isa} = %{version}-%{release}
+
+%description devel
+The %{name}-devel package contains libraries and header files for
+developing applications that use %{name}.
+
+
+%prep
+%autosetup -n %{name}-%{version}
+
+
+%build
+%cmake -DHDR_HISTOGRAM_INSTALL_STATIC=OFF .
+%cmake_build
+
+
+%check
+%ctest
+
+
+%install
+rm -rf $RPM_BUILD_ROOT
+%cmake_install
+find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
+find $RPM_BUILD_ROOT
+
+%ldconfig_post
+
+%ldconfig_postun
+
+
+%files
+%license LICENSE.txt
+%doc README.md
+%exclude %{_bindir}/*
+%{_libdir}/libhdr_histogram.so.6.1.0
+%{_libdir}/libhdr_histogram.so.6
+
+%files devel
+%dir %{_includedir}/hdr
+%{_includedir}/hdr/hdr_thread.h
+%{_includedir}/hdr/hdr_interval_recorder.h
+%{_includedir}/hdr/hdr_writer_reader_phaser.h
+%{_includedir}/hdr/hdr_time.h
+%{_includedir}/hdr/hdr_histogram_log.h
+%{_includedir}/hdr/hdr_histogram.h
+%{_libdir}/libhdr_histogram.so
+%{_libdir}/cmake/hdr_histogram/*.cmake
+
+
+%changelog
+* Sat Aug 01 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.11.0-3
+- Second attempt - Rebuilt for
+  https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
+* Mon Jul 27 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.11.0-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
+
+* Mon Jun 22 2020 Lukas Zapletal <lzap+rpm@redhat.com> - 0.11.0-1
+- New upstream version
+
+* Wed Apr 29 2020 Nathan Scott <nathans@redhat.com> - 0.9.13-1
+- New upstream version
+
+* Wed Feb 12 2020 Lukas Zapletal <lzap+rpm@redhat.com> - 0.9.12-1
+- New upstream version
+
+* Tue Jan 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 0.9.11-2
+- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
+
+* Wed Aug 14 2019 Lukáš Zapletal 0.9.11-1
+- Initial package version
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5e23083
--- /dev/null
+++ b/README.md
@@ -0,0 +1,3 @@
+# HdrHistogram_c
+
+The HdrHistogram_c package
\ No newline at end of file
diff --git a/sources b/sources
new file mode 100644
index 0000000..bd6fc39
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (HdrHistogram_c-0.11.0.tar.gz) = 70f18d1f28be228bc1f86cd16c55537edcdd555ec2b4f2a4cc6454a4b8d604bd72c24918e1fdb8935854aa6071f428bf793fec0e80b21116612f56c72d27c811