RE: weird build

["Andrew C. Starritt" <Andrew.Starritt@synchrotron.org.au>]

Hi Andrew,
  Thanks for the info.  No this won't be a issue for me - it was more a curiosity that I stumbled across.
Regards

--
Andrew Starritt | Principal Controls Engineer | Australian Synchrotron
p: (03) 8540 4164 | f: (03) 8540 4200
andrew.starritt@synchrotron.org.au | www.synchrotron.org.au
800 Blackburn Road, Clayton, Victoria 3168


> -----Original Message-----
> From: Andrew Johnson [mailto:anj@aps.anl.gov]
> Sent: Sunday, 7 July 2013 3:31 AM
> To: Andrew C. Starritt
> Cc: tech-talk
> Subject: Re:
>
> Hi Andrew,
>
> This is not an intentional feature, but according to Janet Anderson it
> is a side-effect of our inclusion of .. in the list of paths that we're
> configuring vpath for the .db target. Apparently the vpath gets applied
> to targets as well as sources by GNUMake, and it causes this to happen
> because we use vpath to avoid having to duplicate some of the build
> rules.
>
> I have asked Janet to look at how many rules would need to be added to
> remove .. from the vpath list and we'll probably make that change on
> the 3.15 branch, but I think it's probably too big a change to do in
> 3.14.
>
> Thanks for the report, is this going to be a significant issue for you
> at all?
>
> - Andrew
>
> --
> Sent from my iPad
>
> On Jul 4, 2013, at 8:52 PM, "Andrew C. Starritt"
> <Andrew.Starritt@synchrotron.org.au> wrote:
>
> > Hi all,
> >
> > I found some strange build behaviour (on both base-3.14.12.3 using 64
> bit CentOs 5.9
> > and base-3.14.9 using 32 bit CentOs 5.4). If there is a db directory
> in top's parent
> > directory that contains a file with the same name as I'm trying to
> install into
> > the top's db directory, then the install does not happen.
> >
> > The following demonstrates this:
> >
> > cd /tmp
> > mkdir -p above_top/top
> > cd above_top/top
> > makeBaseApp.pl -t ioc Weird
> > cd WeirdApp/Db/
> > vi Makefile            # uncomment the DB += xxx.db line
> > touch xxx.db
> > cd ../..               # back to top
> > make
> > ls -l db               # the xxx.db file installed as expected - so
> far so good.
> > make clean uninstall
> >
> > # and the weirdness starts here:
> > #
> > mkdir ../db
> > touch ../db/xxx.db
> > make
> > ls -l                  # no db diretory in top, and no installed
> xxx.db file.
> >
> >
> > Is this an intended feature, and if so what is the rationale?
> >
> > Regards
> >
> > --
> > Andrew Starritt | Principal Controls Engineer | Australian
> Synchrotron
> > p: (03) 8540 4164 | f: (03) 8540 4200
> > andrew.starritt@synchrotron.org.au | www.synchrotron.org.au
> > 800 Blackburn Road, Clayton, Victoria 3168
> >

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