g77 FFLAGS?

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.

--
Rodney Sparapani              Medical College of Wisconsin
Sr. Biostatistician           Patient Care & Outcomes Research (PCOR)
rsparapa at mcw.edu              8701 Watertown Plank Rd., Rm. H2775
(414) 456-8786 (FAX: 6689)    PO Box 26509, Milwaukee, WI  53226-0509


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