diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..743de2f
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+SOURCES/libzdnn-0.4.0.tar.gz
diff --git a/.libzdnn.metadata b/.libzdnn.metadata
new file mode 100644
index 0000000..896a6af
--- /dev/null
+++ b/.libzdnn.metadata
@@ -0,0 +1 @@
+178c26a9c4df7520d654c13c69fe49ebd2632aad SOURCES/libzdnn-0.4.0.tar.gz
diff --git a/SPECS/libzdnn.spec b/SPECS/libzdnn.spec
new file mode 100644
index 0000000..c37a4f9
--- /dev/null
+++ b/SPECS/libzdnn.spec
@@ -0,0 +1,86 @@
+Name:		libzdnn
+Version:	0.4.0
+Release:	3%{?dist}
+Summary:	Driver library for the IBM Z Neural Network Processing Assist Facility
+
+License:	ASL 2.0
+Url:		https://github.com/IBM/zDNN
+Source0:	%{url}/archive/v%{version}/%{name}-%{version}.tar.gz
+
+ExclusiveArch:	s390x
+BuildRequires:	gcc
+BuildRequires:	cpp
+BuildRequires:	make
+BuildRequires:	gawk
+BuildRequires:	automake
+BuildRequires:	autoconf
+
+# Be explicit about the soversion in order to avoid unintentional changes.
+%global soversion 0
+
+%description
+The zDNN library provide a user space API for exploitation of the
+Neural Network Processing Assist Facility.  All application which
+intend to use that facility on IBM Z are supposed to do this via this
+library.
+
+
+%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}.
+
+
+%package	static
+Summary:	Static library version %{name}
+Requires:	%{name}-devel%{?_isa} = %{version}-%{release}
+
+%description    static
+The %{name}-static package contains the static library of %{name}.
+
+
+%prep
+%autosetup -p1 -n zDNN-%{version}
+autoreconf -i
+
+%build
+# libzdnn needs to be built with z14 support so override the distro wide options to append -march=z14.
+# cflags for the init routines in e.g. zdnn_init.c should just use the distro options.
+# export CFLAGS_INIT explicitely since it is not handled by configure
+CFLAGS_INIT="%{build_cflags}"; export CFLAGS_INIT; CFLAGS="%{build_cflags} -march=z14 -mtune=z14" CXXFLAGS="%{build_cxxflags} -march=z14 -mtune=z14" %configure
+%make_build build
+
+%install
+%make_install
+mv $RPM_BUILD_ROOT%{_libdir}/libzdnn.so.%{soversion} $RPM_BUILD_ROOT%{_libdir}/libzdnn.so.%{version}
+ln -s -r $RPM_BUILD_ROOT%{_libdir}/libzdnn.so.%{version} $RPM_BUILD_ROOT%{_libdir}/libzdnn.so.%{soversion}
+
+rm -f $RPM_BUILD_ROOT%{_libdir}/libzdnn.so
+ln -s -r $RPM_BUILD_ROOT%{_libdir}/libzdnn.so.%{version} $RPM_BUILD_ROOT%{_libdir}/libzdnn.so
+
+
+%files
+%{_libdir}/libzdnn.so.%{version}
+%{_libdir}/libzdnn.so.%{soversion}
+%doc README.md
+%license LICENSE
+
+%files devel
+%{_includedir}/zdnn.h
+%{_libdir}/*.so
+
+%files static
+%{_libdir}/libzdnn.a
+
+%changelog
+* Wed Mar 23 2022 Jakub Čajka <jcajka@redhat.com> - 0.4.0-3
+- Sync with upstream
+
+* Wed Mar 09 2022 Jakub Čajka <jcajka@redhat.com> - 0.4.0-2
+- Added gating
+
+* Wed Mar 09 2022 Jakub Čajka <jcajka@redhat.com> - 0.4.0-1
+- Initial package version import