[Rd] Free-form to fixed-form Fortran

Ales Ziberna aleszib at gmail.com
Sat Aug 27 10:27:43 CEST 2005

Thank you for your reply!

I know I can use g77 with -ffree-form. However, I do not know how to make a 
package so that when others would build a package, these subrutines would 
compile with "-ffree-form". I heard of "makevars" and flags, however I read 
on the mailing list archives that they are ignored on Windows.


----- Original Message ----- 
From: "Simon Urbanek" <simon.urbanek at r-project.org>
To: "Aleš Žiberna" <ales.ziberna at guest.arnes.si>
Cc: "R Development Mailing List" <r-devel at stat.math.ethz.ch>
Sent: Friday, August 26, 2005 8:29 PM
Subject: Re: [Rd] Free-form to fixed-form Fortran


On Aug 26, 2005, at 10:36 AM, Aleš Žiberna wrote:

> I have writen some subrutines in Free-form Fortran. I would like to
> includ
> them in a package, which I would like to build on WinXP. I have all
> suggested tools/programs for bulding R packages on Windows (except
> latex).
> What is the best way of using these subrutines? Does sombody mybe
> know any
> translation tools for converting Free-form to fixed-form Fortran?

If your only concern is to build it, you may try using g77 with -
ffree-form. This should work with GNU Fortran. However, that limits
the availability of your package to GNU compilers only.


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