Enable riscv64 arch

Signed-off-by: David Abdurachmanov <david.abdurachmanov@gmail.com>

numactl.spec

@@ -1,7 +1,7 @@
 Name:		numactl
 Summary:	Library for tuning for Non Uniform Memory Access machines
 Version:	2.0.14
-Release:	1%{dist}
+Release:	1.0.riscv64%{dist}
 # libnuma is LGPLv2 and GPLv2
 # numactl binaries are GPLv2 only
 License:	GPLv2
@@ -9,8 +9,11 @@ URL:		https://github.com/numactl/numactl
 Source0:	%{url}/releases/download/v%{version}/%{name}-%{version}.tar.gz
 
 BuildRequires:	libtool automake autoconf
+%ifarch riscv64
+BuildRequires:  libatomic
+%endif
 
-ExcludeArch: s390 %{arm}
+ExcludeArch: s390 %{arm} riscv64
 
 %description
 Simple NUMA policy support. It consists of a numactl program to run
@@ -37,6 +40,10 @@ Provides development headers for numa library calls
 %autosetup
 
 %build
+%ifarch riscv64
+export LDFLAGS="${build_ldflags} -latomic"
+%endif
+
 %configure --prefix=/usr --libdir=%{_libdir}
 # Using recipe to fix rpaths, from here:
 # https://fedoraproject.org/wiki/RPath_Packaging_Draft#Removing_Rpath
@@ -77,6 +84,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/*.3*
 
 %changelog
+* Wed Nov 10 2021 David Abdurachmanov <david.abdurachmanov@gmail.com> - 2.0.14-1.0.riscv64
+- Enable riscv64
+
 * Thu Sep 17 2020 Filipe Brandenburger <filbranden@gmail.com> - 2.0.14-1
 - Upgrade to 2.0.14
 - Re-enabled LTO, now that upstream has been fixed to support it.