Neale Ferguson wrote:
>
> I am encountering some strange behavior with dmake. When building OpenSolaris
> I have been running dmake from $SRC and letting it go on its merry way.
> Occasionally I've done a make -k to get it to bypass a known problem with my
> code.
>
> Today I had made a couple of minor changes to code in my $SRC/uts/s390x &
> $SRC/uts/zSeries directories. I would expect running dmake from $SRC/uts that
> it would detect the changes to the source code and rebuild the objects and
> then the unix executable. However, this did not happen. To force the issue I
> removed the object file from $SRC/uts/unix/debug64 and re-ran dmake. This
> time it rebuilt. I made a change to another file had to do the same thing.
> However, in addition to building the changed file it went and rebuilt the
> object from the first change.
>
> I decide to run dmake clean and dmake from $SRC/uts and it does as expected.
> However, I run dmake again and it rebuilds everything again. Somehow dmake is
> confused as to what's changed and what needs rebuilding. I got rid of the
> .make.state file but no improvement.
>
> Is there something I don't understand about the way dmake works or is this a
> known problem? Given the version date of dmake I would presume that such a
> problem would have already been detected and fixed which makes me think it's
> my understanding that's amiss.
>
> dmake: Sun Distributed Make 7.7 2005/10/13
Erm... the current version of "dmake" in Sun Studio 12 is:
-- snip --
$ dmake
-v
dmake: Sun Distributed Make 7.8 SunOS_sparc Patch 126503-01 2007/07/19
-- snip --
BTW: Do you use NFS ? If "yes" make sure client and server run xntpd,
otherwise dmake will suffer from various "diseases" (all at the same
time) because it can't handle the confusion caused by out-of-sync
timestamps.
----
Bye,
Roland
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