Re: config.h outdated

On Sun, Jan 18, 2026 at 01:37:40PM +0100, Patrice Dumas wrote:
> I think that in tta/C/Makefile.am, the following line was there to find
> config.h:
> 
>   AM_CPPFLAGS = -I$(srcdir)
> 
> 
> I had a look at the build flags to understand how config.h was found,
> and I think that it is because in DEFAULT_INCLUDES there is
> -I$(top_builddir).  I do not know if it is something we should rely on,
> in which case we could replace by
> 
>   AM_CPPFLAGS =
> 
> or if we want to to add ourselves, like
> 
>   AM_CPPFLAGS = -I$(srcdir)/..

It works perfectly well, so it is not something that we need to mess with.
As AC_CONFIG_HEADERS is given in configure.ac at the top-level, it would
be expected that config.h would be accessible in subdirectories without
any further changes being needed.