Re: [BUGS] 6.5.2 broken on alpha/Tru64 Unix 4.0d/cc - Mailing list pgsql-bugs

From Bruce Momjian
Subject Re: [BUGS] 6.5.2 broken on alpha/Tru64 Unix 4.0d/cc
Date
Msg-id 199910081714.NAA29061@candle.pha.pa.us
Whole thread Raw
In response to Re: [BUGS] 6.5.2 broken on alpha/Tru64 Unix 4.0d/cc  (Tom Lane <tgl@sss.pgh.pa.us>)
Responses Re: [BUGS] 6.5.2 broken on alpha/Tru64 Unix 4.0d/cc  (Tom Lane <tgl@sss.pgh.pa.us>)
List pgsql-bugs
> "Pedro J. Lobo" <pjlobo@euitt.upm.es> writes:
> > Someone has changed the "#if defined(__alpha)" tests that existed in
> > include/storage/s_lock.h in 6.5.1 to "#if defined(__alpha__)". The problem
> > is that DEC (�Compaq?) C only defines __alpha, (gcc defines both __alpha
> > and __alpha__) so it doesn't work anymore.
>
> I thought that was bogus when it was done.  Should be
>     #if defined(__alpha) || defined(__alpha__)
> to cover both compilers.
>
> > In fact, there are two places where the test is used, one inside a "#if
> > defined(__GNUC__)" and the other one inside the corresponding "#else". It
> > seems that the easiest sollution is to change the check inside the "#else"
> > back to "#if defined(__alpha)".
>
> ... which would break whichever compiler is being used by the person who
> submitted the patch.  I don't think it was changed on a whim.

New code in Makefile.alpha is:

    /* some platforms define __alpha, but not __alpha__ */
    #if defined(__alpha) && !defined(__alpha__)
    #define __alpha__
    #endif

--
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