fi
AM_CONDITIONAL(WITH_OPENLDAP, [ test "$have_openldap" = "yes" ])
+AC_ARG_WITH([reentrant-strsignal],
+ [AS_HELP_STRING([--with-reentrant-strsignal], [Use strsignal(3) instead of sys_siglist[]])],
+ [],
+ [with_reentrant_strsignal=no])
+AS_IF([test "x$with_reentrant_strsignal" != xno],
+ [AC_DEFINE(HAVE_REENTRANT_STRSIGNAL, 1, [Define if strsignal(3) is reentrant])])
+
+AC_ARG_WITH([thread-safe-res-query],
+ [AS_HELP_STRING([--with-thread-safe-res-query], [Use res_query(3) without locking])],
+ [],
+ [with_thread_safe_res_query=no])
+AS_IF([test "x$with_thread_safe_res_query" != xno],
+ [AC_DEFINE(HAVE_THREAD_SAFE_RES_QUERY, 1, [Define if res_query(3) is thread safe])])
+
# Checks for typedefs, structures, and compiler characteristics.
#AC_HEADER_STDBOOL
#AC_C_CONST