Use make macros

https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro

radvd.spec

@@ -1,7 +1,7 @@
 Summary: A Router Advertisement daemon
 Name: radvd
 Version: 2.18
-Release: 4%{?dist}
+Release: 5%{?dist}
 
 # The code includes the advertising clause, so it's GPL-incompatible
 License: BSD with advertising
@@ -47,10 +47,10 @@ export LDFLAGS='-pie -Wl,-z,relro,-z,now,-z,noexecstack,-z,nodlopen'
     --with-check \
     --disable-silent-rules \
     --with-pidfile=/run/radvd/radvd.pid
-make %{?_smp_mflags} 
+%make_build 
 
 %install
-make DESTDIR=%{buildroot} install
+%make_install
 
 mkdir -p %{buildroot}%{_sysconfdir}/sysconfig
 mkdir -p %{buildroot}/run/radvd
@@ -95,6 +95,10 @@ exit 0
 %{_sbindir}/radvdump
 
 %changelog
+* Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 2.18-5
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Fri Apr  3 2020 Pavel Zhukov <pzhukov@redhat.com> - 2.18-4
 - Update pidfile path (#1785862)