[Info-vax] What would prevent fp_class from linking?

[Bob Koehler]

In article <464d9cdf-620d-481f-b888-4a912cd6730c at c29g2000yqd.googlegroups.com>, Joe Sewell <ultrajoe at spamcop.net> writes:
> A co-worker has some code that uses fp_class or fp_classf (not sure
> which). In one case the C compiler (DECC V6.0 -- yes, I know it's
> ancient, but management refuses to upgrade) will convert it to MATH
> $FP_CLASS_? as expected, but in another it will not.
> 
> I suspect a wild #pragma or compiler qualifier. I've asked him for
> list files generated with /SHOW=ALL, but he looked at them (without
> saving them for me) and said he saw "nothing unusual."
> 
> What else should I be looking for? Which qualifier(s) would affect
> this translation?

   The /prefix qualifier controls this.  The case and spelling of
   the name, and sometimes the uses of macros in the header files, can
   intefere.