1# $NetBSD: opt-no-action.mk,v 1.3 2020/08/19 05:25:26 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# This command cannot be prevented from being run since it is used at parse 8# time, and any later variable assignments may depend on its result. 9!= echo 'command during parsing' 1>&2; echo 10 11all: main 12all: run-always 13 14# Both of these commands are printed, but only the '+' command is run. 15.BEGIN: 16 @echo '$@: hidden command' 17 @+echo '$@: run always' 18 19# Both of these commands are printed, but only the '+' command is run. 20main: 21 @echo '$@: hidden command' 22 @+echo '$@: run always' 23 24# None of these commands is printed, but both are run, because this target 25# depends on the special source ".MAKE". 26run-always: .MAKE 27 @echo '$@: hidden command' 28 @+echo '$@: run always' 29 30# Both of these commands are printed, but only the '+' command is run. 31.END: 32 @echo '$@: hidden command' 33 @+echo '$@: run always' 34