commit https://github.com/vim/vim/commit/562ca7142845273bca656aa5aeeda90f001062e0 Author: Bram Moolenaar <Bram@vim.org> Date: Wed Mar 9 21:50:05 2016 +0100 patch 7.4.1527 Problem: Channel test is flaky on MS-Windows. Solution: Limit the select() timeout to 50 msec and try with a new socket if it fails.

#! /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