Re: [Help-gsl] 32 bit and 64 bit GSL co-existing

[Maxime Boissonneault]

Hi Vihan,
You need to do two different builds, and install in different locations.

Maxime

Le 2015-02-20 09:29, Vihan Pandey a écrit :
> Thanks Maxime!
>
> One more question, is it possible to compile in this way for both 32
> bit and 64 bit in the same location/path :
>
> # CFLAGS="-m32 -m64" ./configure --prefix=/my/gsl/installation;make;make install
>
> Should I build and install them in separate locations/paths :
>
> # CFLAGS="-m32" ./configure
> --prefix=/my/gsl/32/bit/installation;make;make install
>
> and then
>
> # CFLAGS="-m64" ./configure
> --prefix=/my/gsl/64/bit/installation;make;make install
>
> Thanks and again!
>
> - vihan
>
> On 20 February 2015 at 19:33, Maxime Boissonneault
> <address@hidden> wrote:
> > Hi,
> > This is a "problem" with the packaging system, not with GSL itself.
> > Compiling GSL from source would allow you to specify whatever prefix you
> > please and have both versions on your system.
> >
> > Maxime
> >
> > Le 2015-02-20 08:26, Vihan Pandey a écrit :
> > > Hello,
> > >
> > > Is it at all possible to install with binaries or compile GSL such
> > > that I have both 32 bit as well as 64 bit support? I am on a 64 bit
> > > system.
> > >
> > > I have tried package wise installation on Ubuntu 14.04 but I can
> > > either have 32 bit GSL or 64 bit GSL bit not both e.g :
> > >
> > > # sudo apt-get install libgsl0ldbl:i386 gsl-bin:i386 libgsl0-dev:i386
> > >
> > > Will give me support for 32 bit packages. But I cannot compile and run
> > > code for 64 bit.
> > >
> > > # sudo apt-get install libgsl0ldbl gsl-bin libgsl0-dev
> > >
> > > Will give me support for 64 bit packages. But I cannot compile and run
> > > code for 32 bit.
> > >
> > > Ideally I would like scenario wherein both the 32 bit and 64 bit GSL
> > > can co-exist on the same 64 bit machine and I can compile with
> > > -I/path/to/32/bit/includes -L/path/to/32/bit/includes for building 32
> > > bit binaries, -I/path/to/64/bit/includes -L/path/to/64/bit/includes
> > > for building 64 bit binaries for each respected 32 bit or 64 bit
> > > target.
> > >
> > > Any ideas?
> > >
> > > If any additional info is required from my side, please let me know.
> > >
> > > Best,
> > >
> > > - vihan
> >
> > --
> > ---------------------------------
> > Maxime Boissonneault
> > Analyste de calcul - Calcul Québec, Université Laval
> > Ph. D. en physique


--
---------------------------------
Maxime Boissonneault
Analyste de calcul - Calcul Québec, Université Laval
Ph. D. en physique