disable betxn support in older releases

- set betxn support to be disabled by default on Fedora 17 or EL 5 or older,
  which have versions of IPA < 3.0, per mkosek on freeipa-devel

slapi-nis.spec

@@ -3,10 +3,15 @@
 %else
 %define ldap_impl mozldap
 %endif
+%if 0%{?fedora} >= 18 || 0%{?rhel} >= 6
+%define betxn_opts --enable-be-txns-by-default
+%else
+%define betxn_opts --disable-be-txns-by-default
+%endif
 
 Name:		slapi-nis
 Version:	0.44
-Release:	1%{?dist}
+Release:	2%{?dist}
 Summary:	NIS Server and Schema Compatibility plugins for Directory Server
 Group:		System Environment/Daemons
 License:	GPLv2
@@ -45,7 +50,7 @@ for attributes from multiple entries in the tree.
 %setup -q
 
 %build
-%configure --disable-static --with-tcp-wrappers --with-ldap=%{ldap_impl}
+%configure --disable-static --with-tcp-wrappers --with-ldap=%{ldap_impl} %{betxn_opts}
 make %{?_smp_mflags}
 
 %install
@@ -70,6 +75,10 @@ rm -rf $RPM_BUILD_ROOT
 %{_sbindir}/nisserver-plugin-defs
 
 %changelog
+* Tue Nov 20 2012 Nalin Dahyabhai <nalin@redhat.com> - 0.44-2
+- set betxn support to be disabled by default on Fedora 17 or EL 5 or older,
+  which have versions of IPA < 3.0, per mkosek on freeipa-devel
+
 * Wed Nov 14 2012 Nalin Dahyabhai <nalin@redhat.com> - 0.44-1
 - add missing newline to a couple of debug log messages
 - note whether or not betxn support is compiled in as part of the