Re: [HACKERS] DEC Alpha and HAVE_INT_TIMEZONE
От | Thomas G. Lockhart |
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Тема | Re: [HACKERS] DEC Alpha and HAVE_INT_TIMEZONE |
Дата | |
Msg-id | 35134530.55EAA0F5@alumni.caltech.edu обсуждение исходный текст |
Ответ на | Re: [HACKERS] DEC Alpha and HAVE_INT_TIMEZONE (Bruce Momjian <maillist@candle.pha.pa.us>) |
Список | pgsql-hackers |
> > I've finally figured out why the Alpha fails when > > HAVE_INT_TIMEZONE is defined. As far as I'm concerned, somebody > > at DEC should be shot. The problem has nothing to do with > > postgresql code. The symbol 'timezone' is defined in two > > different libraries, as two very different things! libc.a > > defines it as a global variable of type long, as documented in > > the timezone(3) manpage. However, libbsd.a defines a function > > named timezone. Since we link explicitly to -lbsd, guess which > > definition gets linked into the program? We're using the address > > of that function as our timezone offset. Well, the low four > > bytes of the address, anyway. > > I assume they are supporting both uses for the symbol. I recommend > hard-coding the stuff into the port, and hopefully it will work. > > As far as I can tell, we don't require any of the routines used > > in libbsd.a. I'm about to do some more testing to confirm this, > > so hopefully a patch will be on its way soon. Up to this point, > > all I've recompiled under this new model is postgres, which links > > fine, and runs without error. The only failure on the date tests > > that I noticed seemed to be using PST when it should have been > > PDT. I suspect that's an artifact of where I am (Michigan) > > which, according to the /etc/zoneinfo/localtime source, didn't > > observe DST between 1968 and 1973. > > Yea, I see this sometimes too on BSDI. One of the other ports (AIX?) had this problem and they could just remove the libbsd from the link arguments. - Tom
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