FreeTDS Development Group

["Lowden, James K" <LowdenJK AT bernstein.com>]

> From: ark AT eltex.ru [mailto:ark AT eltex.ru]
> Sent: October 27, 2003 9:08 AM
> 
> IIRC, this won't work. __FUNCTION__ is not "real" defined macro and
> it cannot be checked by #ifdef, at least gcc manual says so.

I see.  Quite right, as a simple test program shows:

#include <stdio.h>

int main()
{
#ifdef __FUNCTION__
        char msg[] = "__FUNCTION__\n";
#else
        char msg[] = "no __FUNCTION__\n";
#endif
        puts(msg);
}

Looks like a job for AC_TRY_COMPILE.  If we want to use the feature at all.
:-/

--jkl

> > __FUNCTION__ or __func__, we'll have to tolerate compilers 
> that don't have
> > them.  Maybe something like:
> > 
> > #ifndef __func__
> > # ifdef __FUNCTION__
> > #  define __func__  __FUNCTION__
> > # else
> > #  define __func__  __FILE__
> > # endif
> > #endif
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