Re: -include completely turns off errors

[Noel Yap]

Stranger still, the rule for all is never triggered so the makefile has no 
output whatsoever.

This behaviour persists even if an order rule is used:

# GNUmakefile
-include foo.mk

.PHONY: all
all: | foo.mk
        @echo $(@)


$ gmake
$

Noel

Noel Yap wrote:

> I have the following makefile:
>
> -include foo.mk
>
> .PHONY: all
> all: foo.mk
>     @echo all
>
>
> Since there's no rule to create foo.mk, I'd expect the build to fail 
> since all is dependent on foo.mk, but it seems that the -include turns 
> off this error.  Is this a bug?
>
> Thanks,
> Noel
>
> PS
> This throws a kink into the "delayed error message" workaround for 
> "include" that I had proposed.
>
>
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