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Re: how to check type size


From: Andreas Schwab
Subject: Re: how to check type size
Date: Sun, 04 Feb 2007 17:54:42 +0100
User-agent: Gnus/5.110006 (No Gnus v0.6) Emacs/22.0.91 (gnu/linux)

Andrew Makhorin <address@hidden> writes:

> However, AC_CHECK_SIZEOF does *not* that I need. It defines certain
> macros to be used later during compilation

You can also use AC_COMPUTE_INT to set a shell variable.

> while I want the configure script just to raise an error if some types
> have unexpected sizes, for example, if 'int' is not of 4 bytes long.

If you want fixed sized type you should use the ones from <stdint.h>.

Andreas.

-- 
Andreas Schwab, SuSE Labs, address@hidden
SuSE Linux Products GmbH, Maxfeldstraße 5, 90409 Nürnberg, Germany
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