Re: Feature Request: Improved cross-directory builds (intermediate files)

[Jack Kelly]

On Sat, Sep 12, 2009 at 5:09 AM, Bollinger, John C
<address@hidden> wrote:
> Hi,
>
> So color me embarrassed:  the ‘subdir-objects’ Automake option appears to do
> what I want, more or less(*).  Inasmuch as it is particularly relevant
> there, perhaps a mention of it could be added to section 7.3 of the manual?
>
> (*) “More or less” because with Automake 1.11 it yielded Makefiles
> containing many lines of the form
>         include src/$(DEPDIR)/foo.Po
> These files did not (yet) exist, so make completely rejected the file.
> Automake stopped emitting these when I removed the ‘subdir-objects’ option,
> and started again when I put it back.  In the end I added the
> ‘no-dependencies’ option as well; this suppressed the include lines, but of
> course also disabled dependency tracking.

I think config.status creates empty .Po files, which get replaced with
real dependency information as a side-effect of compilation. What
happens if you run `./config.status depfiles' and then `make'?

-- Jack