[R-SIG-Mac] 64-bit build from source?

[Prof Brian Ripley]

On Tue, 22 Apr 2008, Robert Terwilliger wrote:

> Dear R-Mac people,
>
> If I build R (2.7.0) from source on a 64-bit Mac, will it be a 64-bit
> app? I don't care about the GUI.........

Only if you specify '-arch x86_64'  My config.site is

CC="gcc -arch x86_64"
OBJC=$CC
F77="gfortran -arch x86_64"
FC=$F77

You probably want

./configure --with-blas='-framework vecLib' --with-lapack

for speed, and --with-aqua if you want to use the quartz() device (which 
unlike earlier versions is fine from the command line version of R).

> Many thanks,
>
> Robert Terwilliger
>
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>

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595