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

[Vihan Pandey]

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
>



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