AC_PLUGIN([perl], [$plugin_perl], [Embed a Perl interpreter])
AC_PLUGIN([pf], [$have_net_pfvar_h], [BSD packet filter (PF) statistics])
# FIXME: Check for libevent, too.
-AC_PLUGIN([pinba], [$have_protobuf_c_h], [Pinba statistics])
+AC_PLUGIN([pinba], [$have_protoc_c], [Pinba statistics])
AC_PLUGIN([ping], [$with_liboping], [Network latency statistics])
AC_PLUGIN([postgresql], [$with_libpq], [PostgreSQL database statistics])
AC_PLUGIN([powerdns], [yes], [PowerDNS statistics])
AC_PLUGIN([write_http], [$with_libcurl], [HTTP output plugin])
AC_PLUGIN([write_mongodb], [$with_libmongoc], [MongoDB output plugin])
AC_PLUGIN([write_redis], [$with_libcredis], [Redis output plugin])
-AC_PLUGIN([write_riemann], [$have_protobuf_c_h], [Riemann output plugin])
+AC_PLUGIN([write_riemann], [$have_protoc_c], [Riemann output plugin])
AC_PLUGIN([xmms], [$with_libxmms], [XMMS statistics])
AC_PLUGIN([zfs_arc], [$plugin_zfs_arc], [ZFS ARC statistics])