Re: Non-portable m4 check in autoconf 2.64, 2.65, HEAD

[Eric Blake]

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According to Harald van Dijk on 11/26/2009 11:32 AM:
> The configure script of autoconf 2.64/2.65/HEAD fails to detect a
> suitable m4 on my system.
> I have GNU M4 1.4.13. The problem is that I'm using dash for /bin/sh
> (and my dash supports LINENO so configure doesn't silently use bash
> instead), and the m4 detection doesn't work when echo \1 prints ^A.

That means bison needs to update its autoconf submodule to today, or it
will suffer from the same problem in its reuse of the broken m4.m4 test.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             address@hidden
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