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