Hi Jeff,
> -----Original Message-----
> From: Jeff Squyres [mailto:jsquyres_at_[hidden]]
> Sent: Monday, September 15, 2003 1:25 PM
> To: General LAM/MPI mailing list
> Subject: RE: LAM: mpic++ -I search orders
>
>
> On Mon, 15 Sep 2003, Virgilio, Vincent wrote:
>
> > This once caused a problem for me; to work around it, I
> changed the LAM
> > install prefix to /usr/local/lam-7.0.
> >
> > I was developing an application which was installed on the same
> > platform. The builds were incorrectly picking up versions of some
> > installed headers, which should've come from the local project
> > directories.
>
> If mpi.h (and friends) is in a directory with other "bad"
> header files,
> there's unfortunately nothing that we can do about that --
> you need to be
> able to find mpi.h, so we have to add the -I.
Agreed.
>
> Sidenote: you can acutally still use the same --prefix
> (/usr/local), but
> have LAM install the header files elsewhere with the
> --includedir and/or
> --libdir configure switches (I'm assuming that if you have a
> problem with
> conflicting header files, you'll also have a problem with conflicting
> libraries). For example:
>
> ./configure --prefix=/usr/local \
> --includedir=/usr/local/include/lam-7.0 \
> --libdir=/usr/local/lib/lam-7.0
>
> and LAM will do the Right Thing (if you're recompiling your old source
> tree, ensure that the wrapper compilers get recompiled to get the new
> locations). This will allow you to have the LAM executables in the
> commonly-used /usr/local/bin, but still have "safe" header and library
> files. See "./configure --help" for all the available
> directory override
> flags.
I just may try --includedir. I am using autotools/libtool, and as far as I
can tell, the libraries shouldn't be a problem - the libtool wrapper scripts
shield me from the installed versions.
>
> Note that Arun's case is a little different -- LAM is
> specifying the same
> -I (and -L) flags that the compiler already implicitly states.
>
Right. I have seen the same complaints from gcc.
> --
> {+} Jeff Squyres
> {+} jsquyres_at_[hidden]
> {+} http://www.lam-mpi.org/
> _______________________________________________
> This list is archived at http://www.lam-mpi.org/MailArchives/lam/
>
Vince Virgilio
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