Re: fix breakage with m4_append semantics change

[Ralf Wildenhues]

Hi Eric,

* Eric Blake wrote on Thu, Oct 11, 2007 at 10:30:30PM CEST:
> I noticed the following bug in m4sugar:
[...]
> This is now fixed in autoconf, but breaks libtool without this patch.  
> Fortunately, only HEAD is affected.  This patch allows libtool to continue 
> working with autoconf 2.61, without tripping on the semantic change in 2.62.  
> OK to apply?  (Also, if this patch is approved, I will do a separate followon 
> patch to kill the trailing whitespace in these two files).

Please go ahead with both Libtool changes, thank you!

Cheers,
Ralf

> 2007-10-11  Eric Blake  <address@hidden>
> 
>       Deal with Autoconf 2.62's semantic change in m4_append.
>       * libltdl/m4/ltsugar.m4 (lt_append): Replace broken versions of
>       m4_append.
>       (lt_if_append_uniq): Don't require separator to be overquoted, and
>       avoid broken m4_append.
>       * libltdl/m4/libtool.m4 (_LT_DECL): Don't overquote separator.