Eager macro-expansion failure: (error "Unknown upattern `(quote pbpaste)'") [2 times]
Xclip mode enabled

(setq save-interprogram-paste-before-kill t) ;; Save clipboard strings into kill ring before replacing them
;; (setq x-select-enable-primary t) ;; Emacs commands C-w and C-y to use the primary selection.
(setq x-select-enable-clipboard t) ;; Emacs commands C-w and C-y to use the clipboard selection.
(setq select-enable-clipboard t)
(xclip-mode t) ;; the usual kill/yank commands will use the GUI selections according to select-enable-clipboard/primary.

$ lsb_release -a
No LSB modules are available.
Distributor ID: Debian
Description:    Debian GNU/Linux 9.6 (stretch)
Release:    9.6
Codename:   stretch
$ emacs -version
GNU Emacs 24.5.1
$ xclip -version
xclip version 0.12
xclip-1.5$ ls
xclip-autoloads.el  xclip.el  xclip-pkg.el  xclip-pkg.elc