Re: _isnan() on Windows

Michael Paquier <michael@paquier.xyz> writes:
> On Wed, Jul 11, 2018 at 09:13:40AM -0400, Alvaro Herrera wrote:
>> I just pushed it before seeing your message.

> Fine as well, thanks for picking this up.  The buildfarm shows no
> failures about this patch.

I scraped all the compiler warnings from the buildfarm this morning,
and I see no new ones that could be blamed on this change, so I think
we're good.

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]
 bowerbird     | c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition (src/pl/plperl/Util.c)
[G:\prog\bf\root\HEAD\pgsql.build\plperl.vcxproj]
 bowerbird     | c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition (src/pl/plperl/plperl.c)
[G:\prog\bf\root\HEAD\pgsql.build\plperl.vcxproj]
 bowerbird     | c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition
[G:\prog\bf\root\HEAD\pgsql.build\hstore_plperl.vcxproj]
 bowerbird     | c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition
[G:\prog\bf\root\HEAD\pgsql.build\jsonb_plperl.vcxproj]
 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]
 bowerbird     |   c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition (src/pl/plperl/Util.c)
[G:\prog\bf\root\HEAD\pgsql.build\plperl.vcxproj]
 bowerbird     |   c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition
(src/pl/plperl/plperl.c)[G:\prog\bf\root\HEAD\pgsql.build\plperl.vcxproj] 
 bowerbird     |   c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition
[G:\prog\bf\root\HEAD\pgsql.build\hstore_plperl.vcxproj]
 bowerbird     |   c:\perl64\lib\core\win32.h(218): warning C4005: 'isnan' : macro redefinition
[G:\prog\bf\root\HEAD\pgsql.build\jsonb_plperl.vcxproj]

but those were there before too.  Not sure if there's anything
we can/should try to do about that.

            regards, tom lane