Use make_build and make_install macros

https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
https://docs.fedoraproject.org/en-US/packaging-guidelines/#_why_the_makeinstall_macro_should_not_be_used

ttmkfdir.spec

@@ -1,7 +1,7 @@
 Summary: Utility to create fonts.scale files for truetype fonts
 Name: ttmkfdir
 Version: 3.0.9
-Release: 58%{?dist}
+Release: 59%{?dist}
 # Only licensing attribution is in README, no version.
 License: LGPLv2+
 # This is a Red Hat maintained package which is specific to
@@ -37,10 +37,10 @@ by the font server.
 %autosetup -p1
 
 %build
-make %{?_smp_mflags} OPTFLAGS="$RPM_OPT_FLAGS"
+%{make_build} OPTFLAGS="$RPM_OPT_FLAGS"
 
 %install
-make DESTDIR=$RPM_BUILD_ROOT PREFIX="%{_prefix}" install INSTALL="install -p"
+%{make_install} PREFIX="%{_prefix}"
 mkdir -p %{buildroot}%{_mandir}/man1/
 cp -p %{SOURCE10} %{buildroot}%{_mandir}/man1/
 
@@ -50,6 +50,11 @@ cp -p %{SOURCE10} %{buildroot}%{_mandir}/man1/
 %{_mandir}/man1/ttmkfdir.1*
 
 %changelog
+* Mon Mar 16 2020 Tom Stellard <tstellar@redhat.com> - 3.0.9-59
+- Use make_build and make_install macros
+- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_parallel_make
+- https://docs.fedoraproject.org/en-US/packaging-guidelines/#_why_the_makeinstall_macro_should_not_be_used
+
 * Tue Jan 28 2020 Kalev Lember <klember@redhat.com> - 3.0.9-58
 - Avoid hardcoding /usr prefix
 - Use globs for man page compression