Bryan Drewery <bdrew...@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empty, thus if meta_oodate says the target is out-of-date, the script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.
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