Use make macros

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

libpaper.spec

@@ -2,7 +2,7 @@
 
 Name:		libpaper
 Version:	1.1.24
-Release:	26%{?dist}
+Release:	27%{?dist}
 Summary:	Library and tools for handling papersize
 License:	GPLv2
 URL:		http://packages.qa.debian.org/libp/libpaper.html
@@ -50,10 +50,10 @@ automake -a
 # Disable rpath
 sed -i 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' libtool
 sed -i 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' libtool
-make %{?_smp_mflags}
+%make_build
 
 %install
-make DESTDIR=$RPM_BUILD_ROOT install
+%make_install
 rm $RPM_BUILD_ROOT%{_libdir}/*.la
 mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}
 echo '# Simply write the paper name. See papersize(5) for possible values' > $RPM_BUILD_ROOT%{_sysconfdir}/papersize
@@ -85,6 +85,10 @@ done
 %{_mandir}/man3/*
 
 %changelog
+* Mon Jul 13 2020 Tom Stellard <tstellar@redhat.com> - 1.1.24-27
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 1.1.24-26
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild