[R-SIG-Mac] Problem with readline when building R from source.

[Ben Madin]

Rolf,

Given the weekend status, I'll hazard a guess that you want to add these as environment variables, so in an attempt to be monosyllabic:

Assuming that you are using the bash shell (which has been the default for a while) log in as the user you are going to run the ./configure script as, and at the command prompt type

export F77="gfortran -arch x86_64"
export FC="gfortran -arch x86_64"


to see what is currently set, just type 

export

(if you are still using the tcsh shell, the I think the command becomes setenv instead of export, and it is slightly different, so you will have to look that up)

good luck, I may have the wrong end of the stick here.

cheers

Ben




On 22/05/2010, at 9:21 , Turner Rolf wrote:

> 
> 
> Simon Urbanek wrote:
> 
>    <SNIP>
> 
> I bet you are using 32-bit Fortran while using 64-bit gcc for everything else (see this list). You have two options: use F77="gfortran -arch x86_64" FC="gfortran -arch x86_64" or use the Leopard Fortran for Xcode instead of the old Tiger Fortran.
> 
>    <SNIP>
> 
> I bet you're right.  But how do I know?  I just do ./configure --- I don't say anything about what/which Fortran to use.
> 
> Can you go back to being mono-syllabic please?
> 
> (a) When you say (option 1) `` use F77="gfortran -arch x86_64" FC="gfortran -arch x86_64" '' ***where*** do
> I ``use'' it.  I.e. how do I go about conveying to the configure process that I wish to set these values for F77
> and FC?  Do I edit the configure script?  Do I set flags for the ./configure command?  Do I set environment
> variables?  It's all obvious to you, but not to bunnies such as my very good self.
> 
> (b) When you say (option 2) ``use the Leopard Fortran for Xcode instead of the old Tiger Fortran'' --- how?
> I presume that this is really what I should be doing --- but how do I convey to the system that the old Tiger
> Fortran should not be used?  I would've expected that when I installed Xcode, the Fortran that came with
> it would be ``the'' Fortran on the machine (that any old Fortrans hanging around would automatically get
> ditched) or that at the very least the Fortran that came with Xcode would be the one that got used by
> default.  Naive of me, I know ....
> 
> Thanks.
> 
>      cheers,
> 
>            Rolf
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