[CMake] Do build after GIT_TAG changed in ExternalProject_Add

[Cedric Doucet]

Yes, I am really sorry for the noise! :-/



----- Mail original -----
> De: "David Cole" <DLRdave at aol.com>
> À: "Cedric Doucet" <cedric.doucet at inria.fr>
> Cc: "typ1232" <dummdoof-doof at web.de>, cmake at cmake.org
> Envoyé: Jeudi 23 Avril 2015 13:58:27
> Objet: Re: [CMake] Do build after GIT_TAG changed in ExternalProject_Add
> 
> I think you meant to reply on the other thread with this one...
> 
> :-)
> D
> 
> 
> On Thu, Apr 23, 2015 at 7:55 AM, Cedric Doucet <cedric.doucet at inria.fr>
> wrote:
> >
> > I don't know why but providing my own STAMP_DIR seems to solve the problem:
> >
> > STAMP_DIR  ${EXTERNAL_DIR}/eigen/stamp
> >
> > Hope it helps!
> >
> > Cédric
> >
> >
> > ----- Mail original -----
> >> De: "David Cole via CMake" <cmake at cmake.org>
> >> À: "typ1232" <dummdoof-doof at web.de>
> >> Cc: cmake at cmake.org
> >> Envoyé: Jeudi 23 Avril 2015 13:51:06
> >> Objet: Re: [CMake] Do build after GIT_TAG changed in ExternalProject_Add
> >>
> >> Hmmmmmm. I am seeing the same behavior you are, even with the older
> >> CMake 2.8.12.2 -- the update step does run, but steps after that,
> >> which are supposed to depend on update, are not re-running.
> >>
> >> I think your intuitive expectation is correct, and that
> >> configure/build/install should run after changing the GIT_TAG. I
> >> cannot see (quickly/yet) where the problem is in the chain of
> >> ExternalProject custom commands...
> >>
> >> There's a nagging thought bouncing around in my brain telling me
> >> there's something awfully familiar about this problem, and that I've
> >> seen it and solved it before, but I can't quite put my finger on it.
> >>
> >> I must be forgetting something. And unfortunately, with the complexity
> >> of ExternalProject, it takes quite some time to dig into something
> >> deeply.
> >>
> >> Is anybody else listening on this thread? Shouldn't changing the
> >> GIT_TAG value cause a re-configure+build+install of the
> >> ExternalProject....?
> >>
> >>
> >> David C.
> >>
> >>
> >>
> >>
> >>
> >> On Mon, Apr 20, 2015 at 8:45 AM, typ1232 <dummdoof-doof at web.de> wrote:
> >> > Note that I changed CMAKE_ARGS, so the target is used that contains the
> >> > file
> >> > that was changed in the commit.
> >> >
> >> > CMAKE_ARGS "-DSAF_INTENTIONAL_COMPILE_WARNING=TRUE"
> >> >
> >> >
> >> >
> >> > --
> >> > View this message in context:
> >> > http://cmake.3232098.n2.nabble.com/Do-build-after-GIT-TAG-changed-in-ExternalProject-Add-tp7590299p7590317.html
> >> > Sent from the CMake mailing list archive at Nabble.com.
> >> > --
> >> >
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