Bug#26474153 CONTRIBUTION: ADJUST SPEC FILE TO SHOW A PROPER RPMBUILD COMMAND

Package redhat-rpm-config adds some convenience macros when building
on RHEL6 and later. Recommend package when rebuilding rpm package.

RHEL5 is EOL, remove from comment.

Change based on contribution from Simon Mudd, bug#87098.

Author: trosten

packaging/rpm-oel/mysql.spec.in

@@ -14,10 +14,10 @@
 # Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston
 # MA  02110-1301  USA.
 
-# Rebuild on OL5/RHEL5 needs following rpmbuild options:
-#  rpmbuild --define 'dist .el5' --define 'rhel 5' --define 'el5 1' mysql.spec
+# Package redhat-rpm-config will define some required macros.
+# With redhat-rpm-config install, rebuild is just: 'rpmbuild mysql.spec'
 
-# Install cmake28 from EPEL when building on OL5/RHEL5 and OL6/RHEL6.
+# Install cmake28 from EPEL when building on OL6/RHEL6.
 
 # NOTE: "vendor" is used in upgrade/downgrade check, so you can't
 # change these, has to be exactly as is.