commit https://github.com/vim/vim/commit/a6e42501424f6670fa864c739d2dc2eb764900b9 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Apr 20 16:19:52 2016 +0200 patch 7.4.1756 Problem: "dll" options are not expanded. Solution: Expand environment variables. (Ozaki Kiichi)

#! /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