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#
# Copyright 2021 Northern.tech AS
#
# This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; version 3.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
#
# To the extent this program is licensed as part of the Enterprise
# versions of CFEngine, the applicable Commercial Open Source License
# (COSL) may apply to this file if you as a licensee so wish it. See
# included file COSL.txt.
#
# CF3_PATH_ROOT_PROG(variable, program, value-if-not-found, path = $PATH)
# --------------------------------------
#
# This function has almost the same semantics as the AC_PATH_PROG
# function. The difference is that this will detect tools that are
# runnable by root, but not by the current user. These tools are
# typically used not by the build, but by CFEngine itself, after
# it is installed.
#
AC_DEFUN([CF3_PATH_ROOT_PROG],
[
found=0
AS_IF([test "x$4" = "x"], [
path=$PATH
], [
path=$4
])
AS_ECHO_N(["checking for $2... "])
for i in $(echo $path | sed -e 's/:/ /g'); do
AS_IF([test -e $i/$2 && ls -ld $i/$2 | grep ['^[^ ][^ ][^ ][xs][^ ][^ ][^ ][^ ][^ ][^ ]'] > /dev/null], [
$1=$i/$2
found=1
break
])
done
AS_IF([test "$found" = "1"], [
AS_ECHO(["$][$1"])
], [
AS_ECHO([no])
$1=$3
])
])
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