[PATCH 1/5] Only call dlerror() when dlsym() fails.

[Thomas Klausner]

On Mon, Nov 05, 2012 at 08:22:57AM +0100, Werner Koch wrote:
> On Sat, 27 Oct 2012 19:56, tk at giga.or.at said:
> 
> > State of dlerror() is undefined otherwise, at least on NetBSD.
> 
> I would preser a configure test along with an AC_REPLACE_FUNCS.  This
> should be a common problem on NetBSD.

I'm not sure you understood the patch. Or I didn't understand your
comment.

What should the configure test check? The dlerror() function exists,
just its return value is undefined in case there was no error with
dlsym().
 Thomas