On Mon, Feb 3, 2014 at 6:52 AM, Craig Ringer <cr...@2ndquadrant.com> wrote:

> On 02/02/2014 09:03 AM, Tom Lane wrote:
> > According to the buildfarm database, narwhal is running a gcc build on
> > Windows 2003.  That hardly seems like a mainstream use case.  I could
> > believe that it might be of interest to developers, but clearly no
> > developers are actually running such a build.
> >
> > I think we should give serious consideration to desupporting this
> > combination
> I'm not a fan of MinGW (gcc) on Windows, it's a right pain. It's also
> the only open source compiler currently supported for PostgreSQL on
> Windows - practically the only one available. I don't know about you,
> but I'm not too keen on assuming Microsoft will continue to offer free
> toolchains that're usable for our purposes. They're crippling their free
> build tools more and more with each release, which isn't a good trend.
> If you wish to eliminate PGDLLIMPORT from the codebase the correct
> approach would be building with --export-all-symbols (a MinGW extension
> flag to gcc). That would make the MinGW builds consistent with the MSVC
> build, which generates a .def file that exports all symbols.
> As for why PGDLLIMPORT appears to be required in some places on the MSVC
> build, so far it's looking like we auto-export functions, but not
> necessarily variables.

In my experience, that is true.
During some contrib module development, while accessing a postgresql
it was crashing on windows, while same was accessible in non-windows

> I'd need to read the fairly scary MSVC build
> genreator scripts in detail to confirm that, to see how they produce
> their DEF files; that'll have to wait until after I've got the
> row-security work sorted out.
> --
>  Craig Ringer                   http://www.2ndQuadrant.com/
>  PostgreSQL Development, 24x7 Support, Training & Services
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Thanks & Regards,

Ashesh Vashi
EnterpriseDB INDIA: Enterprise PostgreSQL Company<http://www.enterprisedb.com>


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