Re: argz.m4: error_t handling wrt argz.h and errno.h

[Ralf Wildenhues]

[ Cc:ing bug-libtool, it's upstream for argz ]

Hi Mike,

* Mike Frysinger wrote on Wed, Feb 13, 2008 at 05:38:05AM CET:
> the argz.m4 header checks to see if error_t is defined, but only does so by 
> including the argz.h header.  if you try to build on a system that does 
> provide error_t, but not argz.h, the argz replacement module fails to build.  
> on glibc systems, error_t is defined in errno.h.  perhaps the gl_FUNC_ARGZ 
> should be checking to see if errno.h exists and if so, including it.

I don't quite understand.  If gl_FUNC_ARGZ finds that error_t is not
defined, it defines __error_t_defined in addition to error_t.  This
should keep your errno.h header from defining error_t.  Can you please
show the relevant config.log snippets, to find out where this goes
wrong?

There are more headers that might define error_t, argp.h for example.

Thanks,
Ralf