Re: _isnan() on Windows - Mailing list pgsql-hackers

Andrew Dunstan <andrew.dunstan@2ndquadrant.com> writes:
> On 07/12/2018 10:20 AM, Tom Lane wrote:
>> bowerbird and hamerkop have some gripes like this:
>>
>> bowerbird     | c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition (src/pl/plperl/SPI.c)
[G:\prog\bf\root\HEAD\pgsql.build\plperl.vcxproj]

> We actually undef a bunch of things in plperl.h to keep the compiler
> quiet. Maybe we need to add this to the list?

Perhaps.  But how do we tell the platforms where we should do that
from the ones where we shouldn't?

            regards, tom lane