Re: [PATCH] AC_CONFIG_MACRO_DIRS: improve tracing and add sanity checks

[Adrian Bunk]

On Tue, Nov 13, 2012 at 04:37:03PM -0500, Nick Bowler wrote:
> On 2012-11-13 22:37 +0200, Adrian Bunk wrote:
> > On Tue, Nov 13, 2012 at 02:44:08PM -0500, Nick Bowler wrote:
> > > On 2012-11-13 20:51 +0200, Adrian Bunk wrote:
> > > > libtool will access the same information through a new way that has 
> > > > been 
> > > > implemented by this patch.
> > > 
> > > But the old way will have to stick around for compatibility with older
> > > packages that have not been updated to the New Way.  So since we have to
> > > keep the old way around anyway, why not just continue to use the old way
> > > for old packages?
> > >...
> > 
> > Wrong.
> > 
> > libtool does not have to support the old way of manually searching for 
> > AC_CONFIG_MACRO_DIR in the future, if it requires autoconf >= 2.70 it
> > can use the new way of tracing AC_CONFIG_MACRO_DIR_TRACE exclusively 
> > even for old packages.
> 
> No, it cannot use AC_CONFIG_MACRO_DIR_TRACE exclusively, since not all
> packages use AC_CONFIG_MACRO_DIR in the first place!

Packages that currently use ACLOCAL_AMFLAGS without also setting 
AC_CONFIG_MACRO_DIR are the problem you have in mind?

> Cheers,

cu
Adrian

-- 

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       "Only a promise," Lao Er said.
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