On Tue, 27 Feb 2001 jimtnelson@earthlink.net wrote:

> I have a seismic forward modeling program running fine on an i386
> machine, but has a big problem with NaN's on my mac 7500.  I think i
> have an alignment problem, but can't tell.  I would like to detect
> floating point exceptions.  I tried looked for the fpu_control.h include
> file described in "info g77", but can not find it.  Is there a provision
> for floating point exception handling for g77 on macppc?  If so, where
> do I find it?
> 

> More generally, g77 crashed on my during compiling with optimization set
> to "O".  Are there big problems with g77 for macppc netbsd 1.5?

I've not used g77 on macppc, but have found it somewhat buggy on some
other non-i386 ports.  You might try the lang/f2c package.  That package
includes a script 'f2c-f77' which does a pretty good job of acting just
like a fortran compiler.  It should accept most of the same flags as g77.

-Dan