Re: Cross-directory support

[Roumen Petrov]

Ludovic Courtès wrote:
> Hello,
>
> A couple of questions about "cross-directory support" (info "(automake)
> Alternative").
>
> Suppose the following layout:
>
>   Makefile.am    -> SUBDIRS = src
>   src/
>     Makefile.am  -> libfoo_SOURCES = a.c b.c c.c
>     a.c
>     b.c
>     c.c
>
> Switching to a non-recursive `make' model goes like this:
>
>   Makefile.am    -> libfoo_SOURCES = src/a.c src/b.c src/c.c
>   src/
>     a.c
>     b.c
>     c.c
>
> Questions:
>
>   1. Is it possible to avoid repeating `src/' in the second case?
>
>   2. Can we somehow arrange the second case so that `libfoo' is built in
>      `$top_builddir/src' (as in the first case) rather than
>      `$top_builddir'?

May be no. I know projects that use same source file in different 
libraries. It is normal build of different libraries to use different 
preprocessor directives to same source.

Roumen