commit https://github.com/vim/vim/commit/54a38415caa31de8b4ac46a9234ae339b1fd6255 Author: Bram Moolenaar <Bram@vim.org> Date: Fri Apr 22 10:14:07 2016 +0200 patch 7.4.1772 Problem: Installation fails when $GTK_UPDATE_ICON_CACHE is empty. Solution: Add quotes. (Kazunobu Kuriyama)

#! /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