Define HAVE_ for math long double functions declared in vxworks headers

[Jonathan Wakely]

On 23/01/20 00:20 -0300, Alexandre Oliva wrote:
>On Jan 22, 2020, Jonathan Wakely <jwakely@redhat.com> wrote:
>
>> Isn't allowing arithmetic on function pointers a GNU extension?
>
>Does that matter?  This test is only supposed to be compiled by GCC.

Maybe if somebody was crazy enough to build GCC with -pedantic-errors?

>> I think just adding the #undef to what you had originally is the best
>> version.
>
>'k, thanks, will adjust, test, post and install.

Thanks.