Date: Mon, 13 Jun 2016 20:28:50 -0700 From: Bryan Drewery <bdrewery@FreeBSD.org> To: "Simon J. Gerraty" <sjg@juniper.net> Cc: Mark Millard <markmi@dsl-only.net>, FreeBSD Current <freebsd-current@freebsd.org> Subject: Re: 11.0 -r301815 to -r310873 using WITH_META_MODE=yes : an empty filename failure Message-ID: <99ee7f26-573f-2aeb-c569-728602bb3593@FreeBSD.org> In-Reply-To: <57295.1465874334@kaos.jnpr.net> References: <85435AE2-3F2C-4330-9751-729D99716A8C@dsl-only.net> <65e079c5-6b69-1b94-6bc8-ee32269cc98c@FreeBSD.org> <57295.1465874334@kaos.jnpr.net>
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On 6/13/16 8:18 PM, Simon J. Gerraty wrote: > Bryan Drewery <bdrewery@freebsd.org> wrote: >>>> ${_FIRM}: ${.CURDIR}/../../../../contrib/dev/drm2/radeonkmsfw/${_FIRM}.uu >>>> uudecode -p $? > ${.TARGET} > > Targets like this that use $? or ${.OODATE} are a bad fit with META mode. > > If the normal make rules think the target is up to date, .OODATE will be > empty, thus if meta_oodate says the target is out-of-date, the script > will run with no args - because $? expands to nothing. > > So either the use of $? should be replaced with ${.ALLSRC} or something > else that will be consistent, or the target should be marked .NOMETA > > FYI we can [ab]use ${.OODATE} as a token to prevent a line of a script > from being compared - meta mode knows that the value of .OODATE is > inconsistent so should not be compared... thus putting > ${.OODATE:MNO_META_CMP} on a line expands to nothing - no impact on the > command but still tells meta_oodate to ignore that line for comparison > purposes. > The problem is missing-meta requiring a .meta file here. The $?/.OODATE comparison exception is only used meta_oodate() if there is already a .meta file, not for the new missing .meta logic. -- Regards, Bryan Drewery
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