Re: lib-src/Makefile.in gets circular dependency due to VPATH

[Tim Van Holder]

On Fri, 2003-01-24 at 06:43, Richard Stallman wrote:
>     When (re)building emacs, GNU make now complains that it is dropping
>     circular dependencies on the scripts (rcs2log, etc.).
> 
> Aside from that diagnostic, does it do the right thing?
> Does it copy rcs2log, etc., into the build dir?
> In other words, is this a real problem or just a spurious warning?

No, the copies weren't done until after I removed the VPATH setting.

>     would probably help if srcdir != builddir (so maybe these rules should
>     be contionalized on that).
> 
> Is there any way to test that condition?
> I don't see any macro that could be tested with #ifdef
> to detect this case.

True, but a system like automake's conditionals could be used if
necessary (substituting leading @foo@ on a line with '#' to comment the
line out).  Of course, if VPATH isn't needed, removing that instead
would be a lot simpler and cleaner.

-- 
Tim Van Holder <address@hidden>
Anubex