Christophe,
> On 10 May 2017, at 08:08, Christophe Dutang <duta...@gmail.com> wrote:
>
> Thanks for your email.
>
> I try to change the name in lowercase but it conflicts with a C
> implementation also named halton. So I rename the C function halton2() and
> sobol2() while the Fortran function are HALTON() and SOBOL() (I also try
> lower case in the Fortran code). Unfortunately, it does not help since I get
>
> init.c:97:25: error: use of undeclared identifier 'halton_'; did you mean
> 'halton2'?
> {"halton", (DL_FUNC) &F77_SUB(halton), 7},
>
> My current solution is to comment FortEntries array and use
> R_useDynamicSymbols(dll, TRUE) for a dynamic search of Fortran routines.
Have a look at my package geigen and its init.c.
Could it be that you are missing extern declarations for the Fortran routines?
Berend
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