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Re: AC_CHECK_TOOL changes, take 2


From: Paul Eggert
Subject: Re: AC_CHECK_TOOL changes, take 2
Date: Mon, 22 Mar 2004 10:39:16 -0800
User-agent: Gnus/5.1006 (Gnus v5.10.6) Emacs/21.3 (gnu/linux)

Ralf Corsepius <address@hidden> writes:

> With autoconf-2.59/automake-1.8.2:
> ./configure sparc
> configure: WARNING: you should use --build, --host, --target
> ...
> checking build system type... sparc-sun-sunos4.1.1
> checking host system type... sparc-sun-sunos4.1.1
> BUILD : sparc-sun-sunos4.1.1 sparc
> HOST  : sparc-sun-sunos4.1.1 sparc
> TARGET: sparc sparc
>
> I don't understand why $build is set to $host,

Isn't it the other way around?  The default value for host is that of build.

I am puzzled that $target is not set to the same as $build and $host,
as the documentation says it shouuld be.  Perhaps that is the real bug
here.

> I don't under stand what --build=sparc --host=sparc is supposed to
> mean on an i686-pc-linux-gnu system.

It means that we're building on a sparc, and the executable that we
build is supposed to run on a sparc.  (On an i686-pc-linux-gnu this is
not likely to work.  :-)

> BTW: I guess you might want to read this http://airs.com/ian/configure

That looks like a preliminary version of

GNU Autoconf, Automake, and Libtool
by Gary V. Vaughan (Author), Ben Elliston (Author), Tom Tromey
(Author), Ian Lance Taylor (Author)
SAMS; 1st edition (October 2000)
ISBN: 1578701902 




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