[R] g77 FFLAGS?
Prof Brian Ripley
ripley at stats.ox.ac.uk
Wed Apr 11 18:32:05 CEST 2001
On Wed, 11 Apr 2001, Rodney Sparapani wrote:
> I'm trying to compile R under Mac OS X using gcc/g77 2.95.2. There is
> an interesting blurb in install:
> You must set whatever compilation flags (if any) are needed to ensure
> that FORTRAN `integer' is equivalent to a C int pointer and FORTRAN
> `double precision' is equivalent to a C double pointer. This is checked
> during the configuration process.
> I'm not an avid FORTRAN user. Can someone tell me what these FFLAGS
> might be for g77? Thanks.
Normally none for pairs like gcc/g77, including in that case. As it
*is* checked, did you just go ahead and see?
This is often needed when mixing compilers from different vendors,
We would suggest that you use R-patched.tar.gz, which has hints about
how other people have done this, and some patches to make configuration
etc run more smoothly. By the time 1.2.3 is released, compilation on
Mac OS X will be supported.
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 272860 (secr)
Oxford OX1 3TG, UK Fax: +44 1865 272595
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