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Joey Armstrong36c9bcd2023-04-05 19:05:56 -04001# -*- makefile -*-
2# -----------------------------------------------------------------------
3# Copyright 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9# http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16#
17# SPDX-FileCopyrightText: 2022-2023 Open Networking Foundation (ONF) and the ONF Contributors
18# SPDX-License-Identifier: Apache-2.0
19# -----------------------------------------------------------------------
20# ONF.makefile.version = 1.0
21# -----------------------------------------------------------------------
22
23$(if $(DEBUG),$(warning ENTER))
24
25# include makefiles/constants.mk
26export dot :=.
27export null :=#
28export space := $(null) $(null)
29export quote-single := $(null)'$(null)# colorization-closing-quote(')
30export quote-double := $(null)"$(null)# colorization-closing-quote(")
31
32# [DEBUG] make {target} HIDE=
33HIDE ?= @
34
35env-clean ?= /usr/bin/env --ignore-environment
36xargs-n1 := xargs -0 -t -n1 --no-run-if-empty
37xargs-n1-clean := $(env-clean) $(xargs-n1)
38
39## -----------------------------------------------------------------------
40## Default shell:
41## o set -e enable error checking
42## o set -u report undefined errors
43## o set -o pipefail propogate shell pipeline failures.
44## -----------------------------------------------------------------------
45SHELL ?= /bin/bash
46have-shell-bash := $(filter bash,$(subst /,$(space),$(SHELL)))
47$(if $(have-shell-bash),$(null),\
48 $(eval export SHELL := bash -euo pipefail))
49
50export SHELL ?= bash -euo pipefail
51
52$(if $(DEBUG),$(warning LEAVE))
53
54# [EOF]