commit https://github.com/vim/vim/commit/55952d4dd490bb2f63bda5d7f6d8fb69f58c333c Author: Bram Moolenaar <Bram@vim.org> Date: Sat Nov 5 14:58:34 2016 +0100 patch 8.0.0063 Problem: Compiler warning for comparing with unsigned. (Zoltan Arpadffy) Solution: Change <= to ==.

#! /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