-Source0: cvs://tcpdump@cvs.tcpdump.org/tcpdump/master/%{name}-%{version}.tar.gz
-Patch0: tcpdump-ssl.patch
-BuildRequires: libpcap-devel >= cvs20001202
-BuildRequires: libsmi-devel
-BuildRequires: openssl-devel
+Source0: http://www.tcpdump.org/release/%{name}-%{version}.tar.gz
+Patch0: %{name}-ssl.patch
+Patch1: %{name}-no-libsmi.patch
+BuildRequires: libpcap-devel >= 2:0.6.1
+%{!?_without_libsmi:BuildRequires: libsmi-devel}
+BuildRequires: openssl-devel >= 0.9.6a