1# $NetBSD: opt-no-action.mk,v 1.4 2020/11/09 20:50:56 rillig Exp $
2#
3# Tests for the -n command line option, which runs almost no commands.
4# It just outputs them, to be inspected by human readers.
5# Only commands that are in a .MAKE target or prefixed by '+' are run.
6
7.MAKEFLAGS: -n
8
9# This command cannot be prevented from being run since it is used at parse
10# time, and any later variable assignments may depend on its result.
11!=	echo 'command during parsing' 1>&2; echo
12
13all: main
14all: run-always
15
16# Both of these commands are printed, but only the '+' command is run.
17.BEGIN:
18	@echo '$@: hidden command'
19	@+echo '$@: run always'
20
21# Both of these commands are printed, but only the '+' command is run.
22main:
23	@echo '$@: hidden command'
24	@+echo '$@: run always'
25
26# None of these commands is printed, but both are run, because this target
27# depends on the special source ".MAKE".
28run-always: .MAKE
29	@echo '$@: hidden command'
30	@+echo '$@: run always'
31
32# Both of these commands are printed, but only the '+' command is run.
33.END:
34	@echo '$@: hidden command'
35	@+echo '$@: run always'
36