Advice on linking D programs to fortran77 blas/lapack

[Bill Baxter]

Michael Gratton wrote:
> Hello,
> 
> I'm trying to link a D program to the BLAS and LAPACK libraries (numerical linear algebra packages usually written in FORTRAN77).
> 
> I've written an extern (C) {} block much like I would in C/C++ to provide "headers" for the functions I want to call, and then tried to build the program by
> 
> dmd test.d /usr/lib/libblas.a /usr/lib/liblapack.a
> 
> This nearly works, but LAPACK complains that several _gfortran symbols are undefined, such as:
> 
> (.text+0x83): undefined reference to `_gfortran_compare_string'
> (.text+0x341): undefined reference to `_gfortran_copy_string'
> (.text+0x69): undefined reference to `_gfortran_st_write'
> 
> ...and so on.  Has anyone else had luck with this kind of linking?  Am I missing a library that gcc magically includes when linking C and F77?  Am I just flat trying to link wrong with the dmd command?
> 
> Thanks!
> --mg

I have the BLAS/LAPACK wrappers I use up as part of this:
    http://www.dsource.org/projects/multiarray

May require some tweaking to use with Intel's BLAS/LAPACK.  I use ATLAS.

--bb