Use make macros

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

man-db.spec

@@ -4,7 +4,7 @@
 Summary: Tools for searching and reading man pages
 Name: man-db
 Version: 2.9.2
-Release: 1%{?dist}
+Release: 2%{?dist}
 # GPLv2+ .. man-db
 # GPLv3+ .. gnulib
 License: GPLv2+ and GPLv3+
@@ -69,13 +69,13 @@ This package provides periodic update of man-db cache.
     --with-systemdsystemunitdir=no \
     --with-browser=elinks --with-lzip=lzip \
     --with-override-dir=overrides
-make CC="%{__cc} %{optflags}" %{?_smp_mflags} V=1
+%make_build CC="%{__cc} %{optflags}"
 
 %check
 make check
 
 %install
-make install DESTDIR=$RPM_BUILD_ROOT prefix=%{_prefix} INSTALL='install -p'
+%make_install prefix=%{_prefix}
 
 # rename files for alternative usage
 for f in man apropos whatis; do
@@ -231,6 +231,10 @@ fi
 %config(noreplace) %{_sysconfdir}/cron.daily/man-db.cron
 
 %changelog
+* Mon Jul 13 2020 Tom Stellard <tstellar@redhat.com> - 2.9.2-2
+- Use make macros
+- https://fedoraproject.org/wiki/Changes/UseMakeBuildInstallMacro
+
 * Tue Jun 02 2020 Nikola Forró <nforro@redhat.com> - 2.9.2-1
 - update to 2.9.2
   resolves #1842624