Use make macros

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

sane-backends.spec

@@ -14,7 +14,7 @@
 Summary: Scanner access software
 Name: sane-backends
 Version: 1.0.30
-Release: 1%{?dist}
+Release: 2%{?dist}
 # lib/ is LGPLv2+, backends are GPLv2+ with exceptions
 # Tools are GPLv2+, docs are public domain
 # see LICENSE for details
@@ -175,7 +175,7 @@ LDFLAGS="-pie"
     --with-usb \
 %endif
     --enable-pthread
-make %{?_smp_mflags}
+%make_build
 
 # Write udev/hwdb files
 _topdir="$PWD"
@@ -186,7 +186,7 @@ pushd tools
 popd
 
 %install
-make DESTDIR="%{buildroot}" install
+%make_install
 
 mkdir -p %{buildroot}%{_datadir}/pixmaps
 install -m 644 %{SOURCE1} %{buildroot}%{_datadir}/pixmaps
@@ -421,6 +421,10 @@ exit 0
 %{_unitdir}/saned@.service
 
 %changelog
+* Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 1.0.30-2
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Tue May 19 2020 Zdenek Dohnal <zdohnal@redhat.com> - 1.0.30-1
 - 1.0.30