Re: Autoconf fix Darwin/MacOS X Fortran

[Peter O'Gorman]

On Aug 24, 2006, at 5:06 PM, Ralf Wildenhues wrote:

> Hello Bill,
>
> * Bill Northcott wrote on Thu, Aug 24, 2006 at 09:59:40AM CEST:
> > In lib/autoconf/fortran.m4  (v2.60 and cvs) there is a macro
> > _AC_FC_LIBRARY_LDFLAGS which  defines FLIBS for linking Fortran code.
>
> > Darwin/MacOS X also include elements of the C library in
> > libgcc_s.dylib and libSystem.dylib.  While including -lSystem in the
> > link command seems to be harmless, including -lgcc_s can cause large
> > links to fail.
>
> Could you expand on why and how the links fail, and why just large(?)
> links?  Preferably, show some link command plus error output.
>
> > Neither is necessary because ld automatically  includes them.

I can't approve or apply this patch, but want to note that it seems  
reasonable to me. Looks like libgcc_s and libgcc_s.10.4 (essentially  
the same thing) get added to the link line, one comes from the  
compiler in /usr/local, the other from the compiler in /usr.


Peter