-Patch0: ftp://ftp.inr.ac.ru/ip-routing/lbl-tools/%{name}-3.4-ss990523.dif.gz
-Patch1: %{name}-glibc2.1.patch
-Patch2: %{name}-make.patch
-Patch3: %{name}-giop.patch
-Patch4: %{name}-iphl.patch
-Patch5: %{name}-sparc64.patch
-Patch6: ftp://ftp2.v6.linux.or.jp/pub/Linux/IPv6-2/tcpdump/%{name}_3_5rel2-linux-20000714.patch.gz
-Patch7: %{name}-ssl.patch
-BuildRequires: libpcap-devel
-BuildConflicts: libsmi-devel
-BuildRequires: openssl-devel
+Patch0: %{name}-ssl.patch
+Patch1: %{name}-no-libsmi.patch
+BuildRequires: libpcap-devel >= 2:0.6.1
+%{!?bcond_off_libsmi:BuildRequires: libsmi-devel}
+BuildRequires: openssl-devel >= 0.9.6a