Fix requires for systemd and add sample mom.layout

This fixes bugs #1319195 and #1321154 mostly I've added a sample
mom.layout so that pbs_mom may have a better chance of starting
out of the box. I've also revised the systemd reqiures bits to
match guidelines.

mom.layout

@@ -0,0 +1 @@
+nodes=0

torque.spec

@@ -71,7 +71,7 @@
 
 Name:        torque
 Version:     4.2.10
-Release:     9%{?dist}
+Release:     10%{?dist}
 Summary:     Tera-scale Open-source Resource and QUEue manager
 Source0:     http://www.adaptivecomputing.com/download/%{name}/%{name}-%{version}.tar.gz
 Source2:     xpbs.desktop
@@ -84,6 +84,7 @@ Source20:    pbs_mom.service
 Source21:    pbs_sched.service
 Source22:    pbs_server.service
 Source23:    trqauthd.service
+Source24:    mom.layout
 # Feb 3rd 2011, I've sent a mail upstream to request the re-inclusion
 # of the OpenPBS license file in distribution.
 # I'll announce to fedora-devel once this is resolved either way.
@@ -118,10 +119,8 @@ BuildRequires: tk-devel
 %endif
 
 %if 0%{?rhel} >= 7 || 0%{?fedora} > 0
+%{?systemd_requires}
 BuildRequires: systemd
-Requires(post): systemd
-Requires(preun): systemd
-Requires(postun): systemd
 %endif
 
 %if 0%{?doxydoc}
@@ -460,9 +459,11 @@ popd
 
 # Install mom_priv/config file to /etc/torque/mom
 mkdir -p %{buildroot}%{_sysconfdir}/torque/mom
-install -p -m 644 config %{buildroot}%{_sysconfdir}/torque/mom/config
+install -p -m 644 %{SOURCE8} %{buildroot}%{_sysconfdir}/torque/mom/config
+install -p -m 644 %{SOURCE24} %{buildroot}%{_sysconfdir}/torque/mom/mom.layout
 pushd %{buildroot}%{torquehomedir}/mom_priv
 ln -s %{_sysconfdir}/torque/mom/config .
+ln -s %{_sysconfdir}/torque/mom/mom.layout .
 popd
 
 # Install sched_config files to /etc/torque/sched
@@ -571,6 +572,13 @@ fi
 %post   drmaa -p /sbin/ldconfig
 %postun drmaa -p /sbin/ldconfig
 
+%pre mom
+if test -f %{torquehomedir}/mom_priv/mom.layout ; then
+  if ! test -h %{torquehomedir}/mom_priv/mom.layout ; then
+    mkdir -p %{_sysconfdir}/torque/mom
+    cp -p %{torquehomedir}/mom_priv/mom.layout %{_sysconfdir}/torque/mom/
+  fi
+fi
 
 %post mom
 %if 0%{?rhel} >= 7 || 0%{?fedora} > 0
@@ -802,6 +810,7 @@ fi
 %dir %{_sysconfdir}/torque/mom
 %{_mandir}/man8/pbs_mom.8.*
 %config(noreplace) %{_sysconfdir}/torque/mom/config
+%config(noreplace) %{_sysconfdir}/torque/mom/mom.layout
 
 %files pam
 %defattr(-, root, root, -)
@@ -881,6 +890,10 @@ fi
 %endif
 
 %changelog
+* Fri Apr 8 2016 David Brown <david.brown@pnnl.gov> - 4.2.10-10
+- Resolve systemd requires for bug #1319195
+- add sample mom.layout file as an example
+
 * Fri Feb 19 2016 David Brown <david.brown@pnnl.gov> - 4.2.10-9
 - Resolve dependencies for rawhide (#1308192)
 - Fix port and args environment variables for el5/6 (#1254301)