$NetBSD: patch-configure.in,v 1.2 2021/10/16 19:46:42 tm Exp $

Test if blacklistd supported.

--- configure.in.orig	Tue Jul 21 17:25:51 2020
+++ configure.in	Fri Oct 15 09:41:18 2021
@@ -2800,7 +2800,7 @@
   AC_DEFINE(PR_USE_NONBLOCKING_LOG_OPEN, 1, [Define if using nonblocking open of log files])
 fi
 
-if test x"$enable_ident" == xyes ; then
+if test x"$enable_ident" = xyes ; then
   ac_static_modules="mod_ident.o $ac_static_modules"
   ac_build_static_modules="modules/mod_ident.o $ac_build_static_modules"
 fi
@@ -2949,6 +2949,12 @@
   AC_MSG_RESULT(cross-compiling); AC_DEFINE(HAVE_LU, 1, [Define if you have %lu support])
 )
 
+dnl Test for blacklistd support
+AC_CHECK_LIB(blacklist, blacklist,
+  [AC_DEFINE(HAVE_BLACKLIST, 1, [Define if you have blacklistd support.])
+  ac_build_addl_libs="$ac_build_addl_libs -lblacklist"
+  ])
+
 dnl Add the proftpd support library
 LIBS="-lsupp $LIBS"