Allow optional use of libevent

diff --git a/configure.ac b/configure.ac
index a532f1cd8225da253f4f09efc4b15ef33370969b..5d1decbbb419d629fe4eb40a38568035666d3d96 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -129,6 +129,9 @@ AC_USUAL_FUNCTION_CHECK
 dnl Postres headers on Solaris define incompat unsetenv without that
 AC_CHECK_FUNCS(unsetenv)
 
+dnl Optional use of libevent
+AC_USUAL_LIBEVENT_OPT
+
 AC_USUAL_DEBUG
 AC_USUAL_CASSERT