Re: Bug: "possibly undefined macro: AC_MSG_ERROR"

[Hans Aberg]

On 4 Mar 2008, at 14:05, Axel Simon wrote:

> autoconf picks up all its macro
> definitions from /usr/share/autoconf on a system where autoconf is
> installed in /usr/bin. I found that AC_MSG_ERROR is re-directed in
> autoconf/general.m4 to AS_ERROR:
>
> m4_copy([AS_ERROR],   [AC_MSG_ERROR])
>
> Then AS_ERROR is defined in m4sugar/m4sh.m4 as:
>
> # AS_ERROR(ERROR, [EXIT-STATUS = 1])
> # ----------------------------------
> m4_define([AS_ERROR],
> [{ AS_MESSAGE([error: $1], [2])
>    AS_EXIT([$2]); }[]dnl
> ])# AS_ERROR
>
> You will probably find these two definitions on your system.
> IIRC, I had the same problem as you on a PPC Mac and assumed that
> separate installations of the tool probably interfered with each  
> other.

So if this is the case, it is clearly a bug in autoconf.

So can some on the Bug-Autconf list tell how this is checked?

  Hans Aberg