using src/Makevars file

Hi all,

Thanks to all who offered advice on using F95 in R.

Now I'm trying to compile a test package using gfortran, Linux 2.4.21 and
R 2.1.0.

I was able to successfully compile and use a test F95 routine by setting my
environment variables as follows in bash:

export PATH=~/bin/:$PATH
export F77=gfortran
export LD_LIBRARY_PATH=~/bin/irun/lib
export GFORTRAN_STDIN_UNIT=-1

Now I'm trying to write a Makevars file for my test package
and not quite sure how to do it. I've tried

FF=gfortran
GFORTRAN_STDIN_UNIT=-1
FLIBS=/home/jbremson/bin/irun/lib/libgfortran.a

but when running an R CMD check on the package I see that
it's still using g77 to compile:

-----output----
...
** libs
g77 -fPIC -g -O2 -c estimate.f -o estimate.o
estimate.f: In subroutine `estimate':
estimate.f:20:
forall (i = 1:nxrows) beta(i) = i * 2
^
Invalid declaration of or reference to symbol `forall' at (^) [initially
seen at (^)]
...
----end output ----

The code compiles using:
gfortran -c estimate.f

I can run my code if I build the .so by hand and then dyn.load it.

Here is my F95 test code:

subroutine estimate(beta, yij, nij, nxrows, nxcols,xmat,
& irequest, ierror)

integer nxrows, nxcols, yij, nij, irequest, ierror
double precision beta(nxrows), xmat(nxrows,nxcols)
integer i

i = 0
c fortran 95 version
forall (i = 1:nxrows) beta(i) = i * 2

ierror = 0
end


Regards,

Joel Bremson
UC Davis

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