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Re: Cygwin PostgreSQL CVS Patch Question

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Jason Tishler <Jason(dot)Tishler(at)dothill(dot)com>
Cc: Peter Eisentraut <peter_e(at)gmx(dot)net>, pgsql-ports(at)postgresql(dot)org
Subject: Re: Cygwin PostgreSQL CVS Patch Question
Date: 2001-01-09 23:34:33
Message-ID: 7644.979083273@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-ports
Jason Tishler <Jason(dot)Tishler(at)dothill(dot)com> writes:
>> Er, why should it?  With the code as it stands, configure should decide
>> that Cygwin doesn't HAVE_SYS_NERR, and so nothing will reference
>> sys_nerr.

> Unfortunately, the above is not true:

>     $ configure
>     ...
>     checking for sys_nerr... yes

That's pretty darn interesting.  The configure check looks bulletproof
to me:

	[AC_TRY_LINK([extern int sys_nerr;],
	  [int x = sys_nerr;],

Would you poke into it and figure out how this is succeeding, if there's
not any sys_nerr variable exported from the C library?

			regards, tom lane

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