[libmemcached] make BR conditionnal

[Remi Collet]

commit 1958f93a0bd72d968a4aaa47c0aa225773d95552
Author: remi <fedora at famillecollet.com>
Date:   Fri Mar 4 18:03:04 2011 +0100

    make BR conditionnal

 libmemcached.spec |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)
---
diff --git a/libmemcached.spec b/libmemcached.spec
index 6a5b6ad..044965b 100644
--- a/libmemcached.spec
+++ b/libmemcached.spec
@@ -15,8 +15,12 @@ Source0:   libmemcached-%{version}-exhsieh.tar.gz
 
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 BuildRequires: cyrus-sasl-devel
+%if 0%{?fedora} >= 12
 BuildRequires: systemtap-sdt-devel
+%endif
+%if 0%{?fedora} >= 11 || 0%{?rhel} >= 6
 BuildRequires: libevent-devel
+%endif
 
 
 %description