LDAP: Set process-connection-type to t on Darwin

* lisp/net/ldap.el (ldap-search-internal): Set
process-connection-type to t on Darwin.  Do not merge to
master.  (Bug#33050)

1 files changed, 6 insertions, 1 deletions

diff --git a/lisp/net/ldap.el b/lisp/net/ldap.el
index 7b47a54b9fb..b106de02e9b 100644
--- a/lisp/net/ldap.el
+++ b/lisp/net/ldap.el
@@ -646,7 +646,12 @@ an alist of attribute/value pairs."
                (not (equal "" sizelimit)))
           (setq arglist (nconc arglist (list (format "-z%s" sizelimit)))))
       (if passwd
-          (let* ((process-connection-type nil)
+          ;; Work around Bug#33154, see also Bug#33050.  Leaving
+          ;; process-connection-type at its default (typically t)
+          ;; would probably be fine too, however this is the minimal
+          ;; change on the release branch that fixes ldap.el on Darwin
+          ;; and leaves other operating systems unchanged.
+          (let* ((process-connection-type (eq system-type 'darwin))
                  (proc-args (append arglist ldap-ldapsearch-args
                                     filter))
                  (proc (apply #'start-process "ldapsearch" buf