1#
2#  Copyright 2021 Northern.tech AS
3#
4#  This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
5#
6#  This program is free software; you can redistribute it and/or modify it
7#  under the terms of the GNU General Public License as published by the
8#  Free Software Foundation; version 3.
9#
10#  This program is distributed in the hope that it will be useful,
11#  but WITHOUT ANY WARRANTY; without even the implied warranty of
12#  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13#  GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program; if not, write to the Free Software
17# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA
18#
19# To the extent this program is licensed as part of the Enterprise
20# versions of CFEngine, the applicable Commercial Open Source License
21# (COSL) may apply to this file if you as a licensee so wish it. See
22# included file COSL.txt.
23#
24# CF3_PATH_ROOT_PROG(variable, program, value-if-not-found, path = $PATH)
25# --------------------------------------
26#
27# This function has almost the same semantics as the AC_PATH_PROG
28# function. The difference is that this will detect tools that are
29# runnable by root, but not by the current user. These tools are
30# typically used not by the build, but by CFEngine itself, after
31# it is installed.
32#
33AC_DEFUN([CF3_PATH_ROOT_PROG],
34[
35  found=0
36  AS_IF([test "x$4" = "x"], [
37    path=$PATH
38  ], [
39    path=$4
40  ])
41  AS_ECHO_N(["checking for $2... "])
42  for i in $(echo $path | sed -e 's/:/ /g'); do
43    AS_IF([test -e $i/$2 && ls -ld $i/$2 | grep ['^[^ ][^ ][^ ][xs][^ ][^ ][^ ][^ ][^ ][^ ]'] > /dev/null], [
44      $1=$i/$2
45      found=1
46      break
47    ])
48  done
49
50  AS_IF([test "$found" = "1"], [
51    AS_ECHO(["$][$1"])
52  ], [
53    AS_ECHO([no])
54    $1=$3
55  ])
56])
57