Subj : Re: Unresolved external '_errno'
To   : borland.public.cpp.borlandcpp
From : Jeff Kish
Date : Mon Mar 14 2005 02:50 pm

On Mon, 14 Mar 2005 11:07:14 -0800, Bob Gonder
<notbg@notmindspring.invalid> wrote:

>Jeff Kish wrote:
>
>>I am using Borland 5.02 and the OWL that came with it.
>>When I try to link the application (the compile goes seemingly fine),
>>I get the link error:
>>
>>"Unresolved external '_errno'
>
>I am thinking maybe you turned on or off the runtime library.
>Without the RTLDLL, errno is a variable.
>With the RTL, it is a function: GetErrno().
>If you have old objects compiled without RTL, and are now linking with
>RTL, then they wouldn't find an errno.
>
>Recheck your settings, then recompile the entire project. (delete all
>objs to force it if you must)
>
>>trying to figure out if maybe a path change or something could cause 
>>the _errno link error.
>
>Pathing problems would have more than one minor error.
>
Actually "I didn't touch anything". (mmm sounds like my kids)

OK. Normally we have the include default libraries unchecked, so I
guess that means errno should be a variable.

I'm not sure how I would end up with that message if my project is set
to not include default libraries.

Thanks. I'm still head scratching, but better informed.

Jeff Kish

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