Re: [Mesa3d-dev] back to autoconf 2.13

[Brian P. <br...@va...>]

"Sven M. Hallberg" wrote:
> 
> On Mon, Feb 12, 2001 at 12:17:20PM -0700, Brian Paul wrote:
> > "Sven M. Hallberg" wrote:
> > >
> > > Greetings,
> > >
> > > I have rearranged the configure.in to work with autoconf v2.13 again.
> > > Unfortunately it is now no longer possible to use configure to compile a Mesa
> > > with missing GLUT and/or demo source directories. However, one might consider
> > > making those seperate packages, thus giving them their own configure script...
> > > But that's another story.
> >
> > As sophisticated as autoconf is, I'm surprised that you can't
> > detect whether or not src-glut/, demos/, etc. exist at compile time.
> 
> Well, the problem lies in dynamically generating the list of Makefiles to be
> created, depending on which directories are present. With the current autoconf
> you must pass the entire list to a single call of AC_OUTPUT. The only
> way for a dynamic list is to use a variable and pass that one. I guess that
> would work with autoconf, _but_ it doesn't with automake because automake
> parses configure.in for the call to AC_OUTPUT and if it finds AC_OUTPUT($list)
> assumes it should create a file $list.in. *g*
> 
> In the new autoconf you have the required flexibility because it uses
> a dynamic list internally, i.e. you specify any files to be created by means
> of repetitive calls to a certain macro (AC_CONFIG_FILES I think) and call
> AC_OUTPUT without any arguments. The new automake is of course aware of
> AC_CONFIG_FILES.

You had suggested putting all the demo directories under a new demo/
subdirectory.  How would that work?

-Brian