Re: Fix an error during "./configure; make dist"

[Gavin Smith]

On Sat, Aug 10, 2024 at 12:40:26AM +0200, Patrice Dumas wrote:
> On Fri, Aug 09, 2024 at 11:08:02PM +0100, Gavin Smith wrote:
> > With the attached patch, it cd's to srcdir before running pod2texi.
> > This way pod2texi with --subdir works correctly.
> 
> Looks like it should work as intended, indeed.
> 
> > In order for the change of working directory to work correctly, I had
> > to make a few changes.  texi2any_internals.texi is listed as a Makefile
> > target without the "$(srcdir)/" prefix.  This still works correctly
> > due to the VPATH mechanism.  This allows correct use of $@ in the Makefile
> > rule in the new working directory.
> > 
> > The files in $(texi2any_internals_dependencies) are now listed without the
> > "$(top_srcdir)/" prefix; rather, they are given a "../../" prefix.  Again,
> > the VPATH mechanism should allow these files to be found in the srcdir.
> > The "../../" prefix is still correct for these files after "cd $(srcdir)",
> > allowing the list of files to be passed to pod2texi correctly.
> 
> I recall that on some platform, a BSD I think, Make only used the VPATH
> for the prerequiste (if I recall well), and that's why we systematically
> added $srcdir for targets even though it would not have been needed
> with VPATH.  But I think that your approach can still work, by not using $@
> and having a different path in the target and rule:
> $(srcdir)/texi2any_internals.texi: ....
>       ......... > texi2any_internals.texi ....
> 

I've commited the patch I posted with minor modifications.