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[Bug-gnulib] Re: modules/{sysexits,poll}: syntax nits

From: Jim Meyering
Subject: [Bug-gnulib] Re: modules/{sysexits,poll}: syntax nits
Date: Mon, 03 Nov 2003 21:50:03 +0100

Simon Josefsson <address@hidden> wrote:
> Jim Meyering <address@hidden> writes:
>> These changes make it so all of the modules files use the
>> same syntax for AC_SUBST'd variable names.
>> Anyone object?
> Not really, although the Autoconf manual only mention @FOO@ in
> relation to AC_SUBST, not $(FOO).

About 6 months ago, Alexandre Duret-Lutz mentioned somewhere that
we should now start using $(FOO) in place of the then-obsolete (but
still-supported) @FOO@ notation.

> I recall getting a warning in some
> version of some tool (can't recall the details, sorry) for using
> $(FOO) instead of @FOO@, but I haven't seen it lately.

Coreutils have had no problems since the switch back in April.
Maybe you were using some older version of automake?
The manual I use describes AC_SUBST like this
(without mention the @FOO@ notation):

       The first argument is automatically defined as a variable in each
       generated `Makefile.in'.

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