commit https://github.com/vim/vim/commit/f267f8bdf777073e392ada5b31d837c7b6090eb4 Author: Bram Moolenaar <Bram@vim.org> Date: Mon Aug 22 21:40:29 2016 +0200 patch 7.4.2240 Problem: Tests using the sleep time can be flaky. Solution: Use reltime() if available. (Partly by Shane Harper)

#! /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