Re: [PATCH] Modernize, improve and/or extend tests `colon*.test.

[Stefano Lattarini]

At Sunday 08 August 2010, Ralf Wildenhues wrote:
> > > >   foo=`extract_makefile_deps tgt2 Makefile`; echo x"$foo"x
> > > 
> > > More or less, yes.  I'd avoid the command substitution fork by
> > > letting extract_makefile_deps set some variable instead of
> > > printing.
> > 
> > So the we'd have move the comamnd substitution inside the
> > function? ;-)
> 
> No.  You save a fork with
> 
>   foo ()
>   {
>     ...
>     foo_result=bar
>   }
> 
>   foo ARG...
>   test "$foo_result" = ...
>
Yes, but how do you get foo_result in our case? ;-)
 
> which we've been doing a lot in Libtool and Autoconf lately.
Yes, but using XSI variable substitutions and shell arithmetic, not 
complex sed scripts.

Or am I missing something?

Regards,
  Stefano