Use make macros

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

nftables.spec

@@ -1,6 +1,6 @@
 Name:           nftables
 Version:        0.9.3
-Release:        4%{?dist}
+Release:        5%{?dist}
 # Upstream released a 0.100 version, then 0.4. Need Epoch to get back on track.
 Epoch:          1
 Summary:        Netfilter Tables userspace utillites
@@ -57,7 +57,7 @@ The nftables python module provides an interface to libnftables via ctypes.
 #./autogen.sh
 %configure --disable-silent-rules --with-xtables --with-json \
 	--enable-python --with-python-bin=%{__python3}
-make %{?_smp_mflags}
+%make_build
 
 %install
 %make_install
@@ -118,6 +118,10 @@ sed -i -e 's/\(sofile=\)".*"/\1"'$sofile'"/' \
 %{python3_sitelib}/nftables/
 
 %changelog
+* Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 1:0.9.3-5
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Tue May 26 2020 Miro Hrončok <mhroncok@redhat.com> - 1:0.9.3-4
 - Rebuilt for Python 3.9