(print-region-1): Use -d to specify printer name for

systems `usg-unix-v*, `dgux', `hpux', `irix'.

diff --git a/lisp/lpr.el b/lisp/lpr.el
index a6fe0459e73775b265af8f0efb67e0186330f1b5..7eb766137190e4363168a9e485b97ee6cf991be0 100644 (file)
--- a/lisp/lpr.el
+++ b/lisp/lpr.el
@@ -219,17 +219,21 @@ for further customization of the printer command."
                                 (nconc (list "-h" title)
                                        lpr-page-header-switches))
            (setq start (point-min) end (point-max))))
-      (apply (or print-region-function 'call-process-region)
-            (nconc (list start end lpr-command
-                         nil nil nil)
-                   (nconc (and lpr-add-switches
-                               (list "-J" name))
-                          ;; These belong in pr if we are using that.
-                          (and lpr-add-switches lpr-headers-switches
-                               (list "-T" title))
-                          (and (stringp printer-name)
-                               (list (concat "-P" printer-name)))
-                          switches)))
+      (let ((printer-name-switch (if (memq system-type
+                                          '(usg-unix-v dgux hpux irix))
+                                    "-d" "-P")))
+       (apply (or print-region-function 'call-process-region)
+              (nconc (list start end lpr-command
+                           nil nil nil)
+                     (nconc (and lpr-add-switches
+                                 (list "-J" name))
+                            ;; These belong in pr if we are using that.
+                            (and lpr-add-switches lpr-headers-switches
+                                 (list "-T" title))
+                            (and (stringp printer-name)
+                                 (list (concat printer-name-switch
+                                               printer-name)))
+                            switches))))
       (if (markerp end)
          (set-marker end nil))
       (message "Spooling%s...done" switch-string))))