| From: | Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | PostgreSQL-development <pgsql-hackers(at)postgreSQL(dot)org> |
| Subject: | __cpu__ defines |
| Date: | 2003-09-12 13:53:10 |
| Message-ID: | 200309121353.h8CDrAi11309@candle.pha.pa.us |
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| Lists: | pgsql-hackers pgsql-patches |
As part of my spinlock testing, I noticed that we test for __cpu__ when
using gcc, and __cpu when not using gcc. However, I see that my i386
gcc 2.95 defines both (shown using src/tools/ccsym):
__GNUC__=2
__GNUC_MINOR__=95
unix
__i386__
i386
__bsdi__
bsdi
__ELF__
__GAS__=2
__GAS_MINOR__=10
__unix__
__i386__
__i386__
__bsdi__
__bsdi__
__ELF__
__GAS__=2
__GAS_MINOR__=10
__unix
__i386
__bsdi
system=unix
system=bsd
cpu=i386
machine=i386
cpu=i386
machine=i386
i386
__i386
__i386__
So, I wonder if we should be testing _just_ for __cpu, perhaps starting
in 7.5.
--
Bruce Momjian | http://candle.pha.pa.us
pgman(at)candle(dot)pha(dot)pa(dot)us | (610) 359-1001
+ If your life is a hard drive, | 13 Roberts Road
+ Christ can be your backup. | Newtown Square, Pennsylvania 19073
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