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Re: Building m4 on BSDI 4.0.1

From: Eric Blake
Subject: Re: Building m4 on BSDI 4.0.1
Date: Wed, 03 Jan 2007 07:55:01 -0700
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Hi Chris, and happy new year,

According to Chris McGuire on 1/3/2007 7:41 AM:

>> I guess the following hack forces configure to ignore wchar.h:
>> ./configure ac_cv_header_wchar_h=no

> I guess you may have found something there. The fact that this option is 
> available again shows an acknowledgement that wchar.h has been an issue in 
> the past.

Anything that autoconf caches can always be overwritten in this manner.
Basically, you are just priming the cache to make the outcome match your
goal rather than performing the autoconf test that gets the wrong answer.

> I have more e-mails to read in this thread, but is this the best solution or 
> should the configure script itself be made smarter to handle this without the 
> need for using the "ac_cv_header_wchar_h=no" manually?

No.  The best solution is for you to continue helping us improve gnulib's
mbchar_.h so that it can work around your platform's broken wchar.h.  Then
things will just work out of the box for you, without you having to prime
the cache.  More in my followup to your other message.

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

Eric Blake             address@hidden
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