[xen] make previous changes conditional on ocaml being built

[myoung]

commit 3790789c259dd3683c17aa7ebb02e4b0d1f9d4ec
Author: Michael Young <m.a.young at durham.ac.uk>
Date:   Thu Oct 24 22:43:42 2013 +0100

    make previous changes conditional on ocaml being built

 xen.spec |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/xen.spec b/xen.spec
index cd4719a..9938660 100644
--- a/xen.spec
+++ b/xen.spec
@@ -445,7 +445,9 @@ install -m 755 %{SOURCE48} %{buildroot}%{_libexecdir}/xendomains
 mkdir -p %{buildroot}/usr/lib/tmpfiles.d
 install -m 644 %{SOURCE49} %{buildroot}/usr/lib/tmpfiles.d/xen.conf
 %endif
+%if %build_ocaml
 install -m 644 %{SOURCE50} %{buildroot}%{_unitdir}/oxenstored.service
+%endif
 
 # config file only used for hotplug, Fedora uses udev instead
 rm -f %{buildroot}/%{_sysconfdir}/sysconfig/xend
@@ -557,6 +559,7 @@ if [ -f /sbin/grub2-mkconfig -a -f /boot/grub2/grub.cfg ]; then
 fi
 %endif
 
+%if %build_ocaml
 %post ocaml
 %if %with_systemd
 if [ $1 == 1 ]; then
@@ -570,6 +573,7 @@ if [ $1 == 0 ]; then
   /bin/systemctl disable oxenstored.service
 fi
 %endif
+%endif
 
 %clean
 rm -rf %{buildroot}