Allow overriding of LDAP_LIBS

Part of #1826

diff --git a/m4/pdns_check_ldap.m4 b/m4/pdns_check_ldap.m4
index e3a8a27cade1e060c6bd89e7f38cf173d48b4b7f..b6f9d0ea33205b494b35c927a002396361534bdc 100644 (file)
--- a/m4/pdns_check_ldap.m4
+++ b/m4/pdns_check_ldap.m4
@@ -35,5 +35,5 @@ AC_DEFUN([PDNS_CHECK_LDAP],[
     [AC_DEFINE([HAVE_LDAP_SASL_BIND], 1, [Define to 1 if you have ldap_sasl_bind])]
   )
 
-  AC_SUBST([LDAP_LIBS])
+  AC_ARG_VAR([LDAP_LIBS], [linker flags for openldap])
 ])