Re: FYI: fix dumpbin symbol pipe

[Ralf Wildenhues]

Hi Peter,

* Peter Ekberg wrote on Fri, Sep 23, 2005 at 11:27:05AM CEST:
> Ralf Wildenhues wrote on Thursday, September 22, 2005 16:41 CEST:
> > * Peter Ekberg wrote on Thu, Sep 22, 2005 at 04:24:16PM CEST:
> > > * Ralf Wildenhues wrote on Thursday, September 08, 2005 11:23

> > Dan added multiline *output variable* support to CVS Autoconf, but
> > not multiline *cache variable*.  So, in fact, we are misusing
> > caching here; it's documented not to allow newlines.  Sorry for not
> > clearing that up back then.
> 
> No problem, I'm not using caching much (yet) and I don't expect others
> are using dumpbin (yet) so...

OK.

> > Would you like to fix it?  You could either rewrite your first real
> > awk script to consist of one line only, or add a helper variable to
> > remember to unset lt_cv_sys_global_symbol_pipe after the
> > AC_CACHE_CHECK, I guess.  (Please don't break caching for everyone
> > else, it's a rather expensive check.)
> > 
> > > Or are the autoconf people tuned in to this station?
> > 
> > I would've guessed they'd chime in (and correct me ;-).

Just to clear this up: I did not mean I'd _expect_ anyone to to this.
I did plan on eventually finishing this (and I do report Autoconf bugs
on their lists, and not elsewhere), you just beat me to it.  ;)

> Here's a patch:
> 
>       * libltdl/m4/libtool.m4 (_LT_CMD_GLOBAL_SYMBOLS): Fix awk script
>       to be a single line so that the cache variable isn't multiline.

Good, please apply!  (Will look rather ugly for the user, but looks are
clearly second winners here.)

Thanks,
Ralf