initial package import from Fedora

Resolves: RHBZ#2028638, RHBZ#2174893

.gitignore

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+/libnxz-0.64.tar.gz

gating.yaml

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+--- !Policy
+product_versions:
+  - rhel-8
+decision_context: osci_compose_gate
+rules:
+  - !PassingTestCaseRule {test_case_name: baseos-ci.brew-build.tier1.functional}

libnxz.spec

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+# Keep the *.la file around
+# See https://fedoraproject.org/wiki/Changes/RemoveLaFiles
+%global __brp_remove_la_files %nil
+
+Name:		libnxz
+Version:	0.64
+Release:	1%{?dist}
+Summary:	Zlib implementation for POWER processors
+License:	ASL 2.0 or GPLv2+
+Url:		https://github.com/libnxz/power-gzip
+BuildRequires:	zlib-devel
+Source0:	%{url}/archive/v%{version}/%{name}-%{version}.tar.gz
+
+# Be explicit about the soname in order to avoid unintentional changes.
+%global soname libnxz.so.0
+
+ExclusiveArch:	ppc64le
+BuildRequires:	gcc
+BuildRequires:	make
+BuildRequires:	systemd-rpm-macros
+
+# udev rules for nx-gzip dev
+Requires: powerpc-utils-core > 1.3.10-4
+
+%description
+libnxz is a zlib-compatible library that uses the NX GZIP Engine available on
+POWER9 or newer processors in order to provide a faster zlib/gzip compression
+without using the general-purpose cores.
+
+%package	devel
+Summary:	Development files for %{name}
+Requires:	%{name}%{?_isa} = %{version}-%{release}
+
+%description	devel
+The %{name}-devel package contains header files for developing application that
+use %{name}.
+
+%package	static
+Summary:	Static library for %{name} development
+Requires:	%{name}-devel%{?_isa} = %{version}-%{release}
+
+%description	static
+The %{name}-static package contains static libraries for developing
+application that use %{name}.
+
+%prep
+%autosetup -p1 -n power-gzip-%{version}
+
+%build
+%configure --enable-zlib-api
+%make_build
+
+%check
+# libnxz tests only work on P9 servers or newer, with Linux >= 5.8.
+# This combination is not guaranteed to have at build time.  Check if
+# NX GZIP engine device is available before deciding to run the tests.
+if [[ -w "/dev/crypto/nx-gzip" ]]; then
+	make check
+fi
+
+%install
+%make_install
+
+%pre
+%{_sbindir}/groupadd -r -f nx-gzip
+
+%files
+%{_libdir}/%{soname}
+%{_libdir}/libnxz.so.0.%{version}
+%license %{_docdir}/%{name}/APACHE-2.0.txt
+%license %{_docdir}/%{name}/gpl-2.0.txt
+%doc README.md
+
+%files devel
+%{_includedir}/libnxz.h
+%{_libdir}/libnxz.so
+
+%files static
+%{_libdir}/libnxz.a
+%{_libdir}/libnxz.la
+
+%changelog
+* Tue May 16 2023 Jakub Čajka <jcajka@redhat.com> - 0.64-1
+- initial package import from Fedora
+- Resolves: RHBZ#2028638, RHBZ#2174893
+

sources

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+SHA512 (libnxz-0.64.tar.gz) = a0f8db14c00efb2e008d54bbd567e1073603fd9245140f729b1789b41224bb1c8e8865c18aa03e23a9c0df300b13fdbb580c36036af61d6d5ea11e5bc170ba3d