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Date: Mon, 15 Aug 2011 01:07:14 -0400 From: Arnaud Lacombe <lacombar@...il.com> To: linux-kernel@...r.kernel.org Cc: Arnaud Lacombe <lacombar@...il.com>, Sam Ravnborg <sam@...nborg.org>, Andy Whitcroft <apw@...onical.com> Subject: [PATCH 11/11] script/checkpatch.pl: warn about deprecated use of EXTRA_{A,C,CPP,LD}FLAGS Usage of these flags has been deprecated for nearly 4 years by: commit f77bf01425b11947eeb3b5b54685212c302741b8 Author: Sam Ravnborg <sam@...tun.(none)> Date: Mon Oct 15 22:25:06 2007 +0200 kbuild: introduce ccflags-y, asflags-y and ldflags-y Moreover, these flags (at least EXTRA_CFLAGS) have been documented for command line use. By default, gmake(1) do not override command line setting, so this is likely to result in build failure or unexpected behavior. Warn about their introduction in Makefile or Kbuild files. Cc: Sam Ravnborg <sam@...nborg.org> Cc: Andy Whitcroft <apw@...onical.com> --- scripts/checkpatch.pl | 14 ++++++++++++++ 1 files changed, 14 insertions(+), 0 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 9d761c9..955183a 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -1661,6 +1661,20 @@ sub process { #print "is_end<$is_end> length<$length>\n"; } + if (($realfile =~ /Makefile.*/ || $realfile =~ /Kbuild.*/) && + ($line =~ /\+(EXTRA_[A-Z]+FLAGS).*/)) { + my $flag = $1; + my $replacement = { + 'EXTRA_AFLAGS' => 'asflags-y', + 'EXTRA_CFLAGS' => 'ccflags-y', + 'EXTRA_CPPFLAGS' => 'cppflags-y', + 'EXTRA_LDFLAGS' => 'ldflags-y', + }; + + WARN("DEPRECATED_VARIABLE", + "Use of $flag is deprecated, please use \`$replacement->{$flag} instead.\n" . $herecurr) if ($replacement->{$flag}); + } + # check we are in a valid source file if not then ignore this hunk next if ($realfile !~ /\.(h|c|s|S|pl|sh)$/); -- 1.7.6.153.g78432 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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