Use make macros

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

liborcus.spec

@@ -7,7 +7,7 @@
 
 Name: liborcus
 Version: 0.15.3
-Release: 4%{?dist}
+Release: 5%{?dist}
 Summary: Standalone file import filter library for spreadsheet documents
 
 License: MPLv2.0
@@ -91,10 +91,10 @@ sed -i \
     -e 's|^hardcode_libdir_flag_spec=.*|hardcode_libdir_flag_spec=""|g' \
     -e 's|^runpath_var=LD_RUN_PATH|runpath_var=DIE_RPATH_DIE|g' \
     libtool
-make %{?_smp_mflags}
+%make_build
 
 %install
-make install DESTDIR=%{buildroot}
+%make_install
 rm -f %{buildroot}%{_libdir}/*.la %{buildroot}%{python3_sitearch}/*.la
 
 %if %{with convtools}
@@ -182,6 +182,10 @@ make doc-doxygen
 %doc doc/_doxygen/html
 
 %changelog
+* Tue Jul 14 2020 Tom Stellard <tstellar@redhat.com> - 0.15.3-5
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Thu May 28 2020 Jonathan Wakely <jwakely@redhat.com> - 0.15.3-4
 - Rebuilt for Boost 1.73