fix full path to /bin/ln in %post

daemontools-encore.spec

@@ -1,7 +1,7 @@
 Summary: A collection of tools for managing UNIX services
 Name: daemontools-encore
 Version: 1.10
-Release: 3-sme%{dist}
+Release: 3.sme%{dist}
 License: Public domain
 Group: Utilities/System
 URL: http://untroubled.org/daemontools-encore/
@@ -79,14 +79,16 @@ fi
 %endif
 # symink executables to legacy SME directory
 for prog in envdir envuidgid fghack multilog pgrphack readproctitle setlock setuidgid softlimit supervise svc svok svscan svscanboot svstat ; do
-  ln -s /bin/$prog /usr/local/bin/$prog
+  /bin/ln -s /bin/$prog /usr/local/bin/$prog
 done
 
 %postun
 if [ "$1" -eq 0 ]; then
 %if %{rhel} >= 7
-systemctl stop daemontools
-systemctl disable daemontools
+if [ -e /usr/bin/systemctl ] ; then
+  systemctl stop daemontools
+  systemctl disable daemontools
+fi
 %endif
 %if %{rhel} == 6
 /sbin/initctl stop svscanboot