[R] Fortran subroutines dblepr, realpr, intpr
Prof Brian D Ripley
ripley at stats.ox.ac.uk
Thu May 10 08:02:28 CEST 2001
On Wed, 9 May 2001, David Firth wrote:
> Further to my earlier request for help (see below): I should have
> said what operating system and compiler I am using.
> I am working with the (mingw) g77 compiler under Windows 2000, and
> following the approach outlined in Venables & Ripley's "S
> Programming", p243. That is, with my Fortran code in testit.f, I say
> g77 -O2 -c testit.f
> dllwrap -o testit.dll --export-all-symbols testit.o
> which works fine when I don't have any print statements in testit.f,
> but if for example I call INTPR in testit.f the dllwrap step fails
> with the complaint
> undefined reference to `intpr_'
> dllwrap: gcc exited with status 1
> Any hints will be much appreciated. As I said earlier, I am just
> beginning with this.
You need to link against -lR. The esiest way is to use a small package and
install that. It will make libR.a (in .../src/gnuwin32) as needed,
or you can run make libR.a there.
If that is not enough of a hint we can talk directly.
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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