Re: new AC_USE_SYSTEM_EXTENSIONS breaks Interix?

[Ralf Wildenhues]

* Eric Blake wrote on Fri, Oct 19, 2007 at 06:32:56PM CEST:
> According to Jerker Bäck on 10/19/2007 9:48 AM:
> > What's wrong?
> 
> > configure.ac:45: warning: AC_COMPILE_IFELSE was called before 
> > AC_USE_SYSTEM_EXTENSIONS
> > ../../../lib/autoconf/specific.m4:383: AC_USE_SYSTEM_EXTENSIONS is expanded 
> > from...
> > ../../../lib/autoconf/specific.m4:449: AC_AIX is expanded from...
> > m4/extensions.m4:15: gl_USE_SYSTEM_EXTENSIONS is expanded from...
> > configure.ac:45: the top level
> 
> Most likely, stale files, where your aclocal.m4 is including an old
> definition that has a different dependency order than the new gnulib
> definition.  I've seen similar errors, and the solution was a fresh bootstrap,
> including gnulib-tool --import.

With "aclocal --force"?  That awfully sounds like a caching bug then.
Would be nice to have something reproducible.

Cheers,
Ralf