Re: popen and pclose redefinitions causing many warning in Windows build

On 05/08/2014 11:19 AM, Tom Lane wrote:
> Heikki Linnakangas <hlinnakangas(at)vmware(dot)com> writes:
>> On 05/08/2014 08:01 AM, Michael Paquier wrote:
>>> Since commit a692ee5, code compilation on windows is full of warnings
>>> caused by the re-definitions of popen and pclose:
>> Hmm. Does the MinGW version of popen() and system() do the quoting for
>> you? If we just #ifdef the defines, then we will not use the wrappers on
>> MinGW, which would be wrong if the quoting is needed there. If it's not
>> needed, then we shouldn't be compiling the wrapper functions in the
>> first place.
> Another problem, if we do need the wrappers on mingw, is that the
> "#undef" commands in system.c will presumably result in the wrong
> things happening in the wrapper functions, since the platform needs
> us to use their macros there.

I'm pretty sure we need this on Mingw - this SYSTEMQUOTE stuff dates
back well before 8.3, IIRC, which is when we first got full MSVC support.

cheers

andrew