Re: Strange GNU make behavior with -include ?

[Ted Stern]

On Wed, 4 Dec 2002, Grégoire Sutre wrote:
> 
> The following makefile goes through:
> 
> ---------------------------------------
> all:
> 
> dummy-fake:
> 
> %.depend : %.c
>       touch $@
> 
> # Dependencies
> 
> -include fake.depend
> ---------------------------------------
> localhost $ gmake
> make: Nothing to be done for `all'.
> ---------------------------------------

  <snip>
 
> But this makefile doesn't go through:
> 
> ---------------------------------------
> all:
> 
> dummy-fake: fake.c
> 
> %.depend : %.c
>       touch $@
> 
> # Dependencies
> 
> -include fake.depend
> ---------------------------------------
> localhost $ gmake
> make: *** No rule to make target `fake.c', needed by `fake.depend'.  Stop.
> ---------------------------------------
> 

I tested this myself with 3.80.  If you add

         .INTERMEDIATE:   fake.c

to the second example, it then has the same behavior as the first.

I'll let Paul explain why, as I would probably make a botch of it. ;-)

Ted
-- 
 Ted Stern                           Engineering Applications
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