Link to libatomic on riscv64

Signed-off-by: David Abdurachmanov <davidlt@rivosinc.com>

numactl.spec

@@ -1,7 +1,7 @@
 Name:		numactl
 Summary:	Library for tuning for Non Uniform Memory Access machines
 Version:	2.0.14
-Release:	6%{dist}
+Release:	6.0.riscv64%{dist}
 # libnuma is LGPLv2 and GPLv2
 # numactl binaries are GPLv2 only
 License:	GPLv2
@@ -38,6 +38,10 @@ Provides development headers for numa library calls
 %autosetup
 
 %build
+%ifarch riscv64
+export LDFLAGS="%__global_ldflags -latomic"
+%endif
+
 %configure --prefix=/usr --libdir=%{_libdir}
 # Using recipe to fix rpaths, from here:
 # https://fedoraproject.org/wiki/RPath_Packaging_Draft#Removing_Rpath
@@ -78,6 +82,9 @@ rm -rf $RPM_BUILD_ROOT
 %{_mandir}/man3/*.3*
 
 %changelog
+* Sat Nov 05 2022 David Abdurachmanov <davidlt@rivosinc.com> - 2.0.14-6.0.riscv64
+- Link to libatomic on riscv64
+
 * Fri Jul 22 2022 Fedora Release Engineering <releng@fedoraproject.org> - 2.0.14-6
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_37_Mass_Rebuild