[CMake] Install from a source directory with ExternalProject

[Cedric Doucet]

Thank you very much Nicholas!
For the moment, option B sounds better for me. :)

I think it could be helpful to be able to disable the uncompression step of ExternalProject_Add, 
or to control it with a variable named UNCOMPRESSION_COMMAND or something similar.

Cheers,

Cédric




----- Mail original -----
> De: "Nicholas Braden" <nicholas11braden at gmail.com>
> À: "Cedric Doucet" <cedric.doucet at inria.fr>
> Cc: cmake at cmake.org
> Envoyé: Vendredi 26 Février 2016 15:56:02
> Objet: Re: [CMake] Install from a source directory with ExternalProject
> 
> Hmm, if it were available as an FTP share you may have been able to
> use a command line program via DOWNLOAD_COMMAND, but in this case I
> think you really only have two options:
> 
> A. Write a small portable program compiled as part of your project,
> with its task being to download that directory. Make sure the external
> project DEPENDS on it and use it as the DOWNLOAD_COMMAND.
> 
> B. If the directory in question does not change often, you can
> probably get away with just maintaining several file(DOWNLOAD)
> statements.
> 
> Someone else may know better than me; there may be something I
> overlooked. But for now, this is all I can think of.
> 
> On Fri, Feb 26, 2016 at 8:45 AM, Cedric Doucet <cedric.doucet at inria.fr>
> wrote:
> >
> > Hello Nicholas,
> >
> > thank you for your answer.
> > Actually, it's not my own directory and I have no choice.
> > I want to download source files from there :
> > http://www.iro.umontreal.ca/~lecuyer/myftp/streams00/c++/
> > I know how to do it with FILE(DOWNLOAD ...) but I would like to know if
> > there is a way to do it with ExternalProject_Add.
> >
> > Cédric
> >
> >
> >
> > ----- Mail original -----
> >> De: "Nicholas Braden" <nicholas11braden at gmail.com>
> >> À: "Cedric Doucet" <cedric.doucet at inria.fr>
> >> Cc: cmake at cmake.org
> >> Envoyé: Vendredi 26 Février 2016 15:40:26
> >> Objet: Re: [CMake] Install from a source directory with ExternalProject
> >>
> >> I'm not sure how you would download a directory without it being in
> >> some sort of archive. If you just want to use an existing directory,
> >> use the SOURCE_DIR option instead.
> >>
> >> On Fri, Feb 26, 2016 at 8:37 AM, Cedric Doucet <cedric.doucet at inria.fr>
> >> wrote:
> >> >
> >> > Hello,
> >> >
> >> > I would like to know if it's possible to download and install an
> >> > external
> >> > project from a source directory instead of a tarball.
> >> > I tried to do it with ExternalProject_Add function but it tries to
> >> > uncompress source files and then fails.
> >> >
> >> > Cédric
> >> >
> >> > --
> >> >
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