Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
28 lines
900 B
Plaintext
28 lines
900 B
Plaintext
# SPDX-License-Identifier: GPL-2.0
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# 'info' prints the argument to stdout.
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$(info,hello world 0)
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# 'warning-if', if the first argument is y, sends the second argument to stderr,
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# and the message is prefixed with the current file name and line number.
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$(warning-if,y,hello world 1)
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# 'error-if' is similar, but it terminates the parsing immediately.
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# The following is just no-op since the first argument is not y.
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$(error-if,n,this should not be printed)
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# Shorthand
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warning = $(warning-if,y,$(1))
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# 'shell' executes a command, and returns its stdout.
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$(warning,$(shell,echo hello world 3))
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# Every newline in the output is replaced with a space,
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# but any trailing newlines are deleted.
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$(warning,$(shell,printf 'hello\nworld\n\n4\n\n\n'))
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# 'filename' is expanded to the currently parsed file name,
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# 'lineno' to the line number.
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$(warning,filename=$(filename))
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$(warning,lineno=$(lineno))
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