I ought not have singled out ifort - there are plenty of good commercial fortran compilers...

On 31/10/2011, at 9:11 PM, Nico Kadel-Garcia wrote:

> On Mon, Oct 31, 2011 at 10:05 PM, James E. Davies
> <[log in to unmask]> wrote:
>> gfortran is now very good:
>> 
>> gcc-gfortran.x86_64 : Fortran support
>> 
>> if you want to spend money, ifort (Intel fortran) is what we use at work.
>> 
>> gfortran will compile legacy f77 code, as well as f90 and f95 (and f2003?).
>> 
>> cheers,
>> 
>> jim.
> 
> I'll second this. The "gcc-gfortran" tools are based on the old "f2c"
> toolkit, designed to turn Fortran code into C code and then compile
> *that*. The result is surprisingly stable, standards compliant, and
> effective at dealing with old code and old projects.