34 lines
1.0 KiB
Makefile
34 lines
1.0 KiB
Makefile
# $NetBSD: opt-no-action.mk,v 1.3 2020/08/19 05:25:26 rillig Exp $
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#
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# Tests for the -n command line option, which runs almost no commands.
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# It just outputs them, to be inspected by human readers.
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# Only commands that are in a .MAKE target or prefixed by '+' are run.
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# This command cannot be prevented from being run since it is used at parse
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# time, and any later variable assignments may depend on its result.
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!= echo 'command during parsing' 1>&2; echo
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all: main
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all: run-always
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# Both of these commands are printed, but only the '+' command is run.
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.BEGIN:
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@echo '$@: hidden command'
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@+echo '$@: run always'
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# Both of these commands are printed, but only the '+' command is run.
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main:
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@echo '$@: hidden command'
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@+echo '$@: run always'
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# None of these commands is printed, but both are run, because this target
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# depends on the special source ".MAKE".
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run-always: .MAKE
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@echo '$@: hidden command'
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@+echo '$@: run always'
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# Both of these commands are printed, but only the '+' command is run.
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.END:
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@echo '$@: hidden command'
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@+echo '$@: run always'
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