Re: Patch : fix minor configure wart for libpcap

[Guy Harris <guy () alum mit edu>]

On Jan 6, 2004, at 1:07 PM, Erik de Castro Lopo wrote:

> Supporting a range of versions of autoconf is admirable, but I think  
> the
> more recent versions should have priority over older versions. From a
> little research, it seems that autoconf 2.50 was released in mid-2001
> which really is some time ago.

I have no problem abandoning support for autoconf 2.13 if nobody has a  
problem with it (although it'd be nice if we could make it work with  
2.13; however, I don't think 2.13 has AC_LIBOBJ, so I don't think it  
is).

If nobody objects within the next few days, let's change it.

However, why not just use AC_LIBOBJ, as per

	http://www.gnu.org/software/autoconf/manual/autoconf-2.57/html_mono/ 
autoconf.html#SEC165

as

	http://www.gnu.org/software/autoconf/manual/autoconf-2.57/html_mono/ 
autoconf.html#SEC47

says "Technically, it adds `function.$ac_objext' to the output variable  
LIBOBJS and calls AC_LIBSOURCE for `function.c'. You should not  
directly change LIBOBJS, since this is not traceable."

> Yep, and that can be enforced by adding something like:
>
>     AC_PREREQ(2.54)
>
> at the top of configure.in to prevent versions earlier than 2.54 being
> used.

Why not just

        AC_PREREQ(2.50)

as AC_LIBOBJ was apparently introduced in 2.50?

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