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 variable it was crashing on windows, while same was accessible in non-windows platform. > 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 > > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers > -- -- Thanks & Regards, Ashesh Vashi EnterpriseDB INDIA: Enterprise PostgreSQL Company<http://www.enterprisedb.com> *http://www.linkedin.com/in/asheshvashi*<http://www.linkedin.com/in/asheshvashi>
