patch 8.0.1604: paste test may fail if $DISPLAY is not set commit https://github.com/vim/vim/commit/a903472cfa048e7a29d9c6ed0945ef03e48c6a08 Author: Bram Moolenaar <Bram@vim.org> Date: Tue Mar 13 15:43:46 2018 +0100 patch 8.0.1604: paste test may fail if $DISPLAY is not set Problem: Paste test may fail if $DISPLAY is not set. Solution: Add WorkingClipboard() and use it in the paste test.

#! /bin/sh
#
# which.sh -- find where an executable is located.  It's here because the
# "which" command is not supported everywhere.  Used by Makefile.

IFS=":"
for ac_dir in $PATH; do
	if test -f "$ac_dir/$1"; then
		echo "$ac_dir/$1"
		break
	fi
done