%define KERNEL_DIR "/usr/src/kernels/%{KERNEL}"
-./configure --disable-devel
+./configure --disable-devel --prefix=%{buildroot}/usr/local
make COPT_FLAGS="$OPT" KERNEL_DIR=%{KERNEL_DIR} LIBDIR=/%{_lib}
make COPT_FLAGS="$OPT" KERNEL_DIR=%{KERNEL_DIR} LIBDIR=/%{_lib} iptables-save iptables-restore