Re: Help with nlffi

Brian (and smlnj-list),

brian wrote:
> I highly recommend you use the math example which is in the sml  source 
> tree.
> It's a very good example to start with.

This is just great! An example is just what I was needing, and I've only 
checked the $SMLNJ_HOME/src/ml-nlffigen directory... silly me :-).
I've just found explanatory examples on $SMLNJ_HOME/src/ml-nlffi-lib/Tests.

> To access your "something" you just need to do :
> 
> F_something.f()
> 
> I also recommend compiling foo.c to a dynamic library and use dynamic  
> loading.  Dynamic loading is really the best way to take advantage of  
> nlffi.
> 
> A simple example should not be too many files, you could just post  the 
> source code for more help.

Thanks a lot for answering.
One thing to note is that I was getting this error when loading the 
foo.cm file:

[scanning $/c.cm]
foo.cm:4.13-5.6 Error: Io: openIn failed on "$Undef<c.cm>/c.cm", No 
such file or directory

and I knew that the c.cm wasn't being loaded but I didn't know how to 
fix that. Thing is that the README file shows as .cm-file example the 
following:

   +-------------------------------------------------------------
   |library
   |     library(FFI/foo.cm)
   |is
   |     $/basis.cm
   |     $/c.cm
   |     FFI/foo.cm : make (-f foo.make)
   +-------------------------------------------------------------

and I've just seen that the math example uses "$c/c.cm" instead of 
"$/c.cm". I'll make the necessary changes and I'll start over.

Best regards, Natalia.


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