R devel - Jan 2009 - forcing the use of the c++ linker with c++ and fortran sources

I'm trying to build a package which has both gfortran and c++ code.

In my installation of R, the R CMD INSTALL process compiles each c++ and 
gfortran code with the correct compiler, but performs the link step with 
"gfortran" and this creates undefined symbols at load time.

How does one override/force the use of a different command in the link 
step?  Is there an appropriate entry in Makevars that will do the trick?

Thanks,
-sg

On 09/01/2009 4:04 PM, Steve Guerrero wrote:
> I'm trying to build a package which has both gfortran and c++ code.
> 
> In my installation of R, the R CMD INSTALL process compiles each c++ and 
> gfortran code with the correct compiler, but performs the link step with 
> "gfortran" and this creates undefined symbols at load time.
You should offer more details:  what platform are you working on? What 
version of R? Do you have a simple example that people could try, and 
see the errors?

Duncan Murdoch
> 
> How does one override/force the use of a different command in the link 
> step?  Is there an appropriate entry in Makevars that will do the trick?
> 
> Thanks,
> -sg
> 
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