* Re: 2.1.101 warnings on alpha (patch)
[not found] <199805151156.NAA20899@punt.aladdin.de>
@ 1998-05-15 14:51 ` David S. Miller
0 siblings, 0 replies; only message in thread
From: David S. Miller @ 1998-05-15 14:51 UTC (permalink / raw)
To: cpg; +Cc: torvalds, linux-kernel, cpg
Date: Fri, 15 May 1998 13:56:07 +0200
From: Christian Groessler <cpg@aladdin.de>
How does one check whether the host is 64bitty? Like in the above
"#if" or is there another (standard) way?
Unfortunately there is no failsafe way. This is because as a cross
compiler gcc from 32-->64 bit does not get things like:
#if ((~0UL)==0xffffffff)
... 32bit version ...
#else
... 64bit version ...
#endif
correct at all. I think it should be in an asm header file
personally, but if you notice the check for 64-bit is often done as:
#if defined(__sparc_v9__) || defined(__alpha__)
#endif
which is pretty unclean and should be fixed up. But at the moment
there is no other reliable way to check it.
Later,
David S. Miller
davem@dm.cobaltmicro.com
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[not found] <199805151156.NAA20899@punt.aladdin.de>
1998-05-15 14:51 ` 2.1.101 warnings on alpha (patch) David S. Miller
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