Re: Cleaning up multiply-defined-symbol warnings on OS X

Bruce Momjian <pgman@candle.pha.pa.us> writes:
> The problem is that the call to thread.c::pqGetpwuid() happens in a
> #ifndef WIN32 block, so the function is not seen by Win32, so we don't
> get a compile error.

> I am thinking your patch is a good idea because it will give us a
> non-Win32 platform that has the _check_ behavior.  We do have to bump
> the major for ecpg libs for this, but not libpq.

I just came across some documentation claiming that it's possible to do
similar exported-symbol filtering in Linux:
    http://people.redhat.com/%7edrepper/dsohowto.pdf
I'm going to see if I can make that work along the same lines as my
Darwin patch.  If we can get it going on both Linux and Darwin then
I think we'll have critical mass to make the change.

            regards, tom lane