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#
# Copyright 2021 Northern.tech AS
#
# This file is part of CFEngine 3 - written and maintained by Northern.tech AS.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
# http://www.apache.org/licenses/LICENSE-2.0
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# 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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