Re: Incorrect += handling?

[Noel Yap]

Well, at least it's consistent with:

FOO := foo
FOO +=
all: ; @echo '"$(FOO)"'

Having said that, I suppose it would it would be nice for it not to add the 
space for situations like:

FOO := foo
FOO += $(BAR)

in which BAR isn't defined.

Noel

address@hidden wrote:

> I just realized this, which I think might be a bug:
>
>   FOO := foo
>   FOO +=#nothing here
>   all: ; @echo '"$(FOO)"'
>
> This prints:
>
>   $ make
>   "foo "
>
> with a space, not:
>
>   "foo"
>
> which is what I'd expect.  Seems like the += adds the space character
> even if the value being added is empty.
>
> That doesn't seem like desirable behavior to me.  Of course I can easily
> fix this myself, I'm just wondering if anyone thinks this behavior is
> correct and shouldn't be changed.  The manual says only:
>
>  > [...] adds the text [...] to it (preceded by a single space).
>
> Which doesn't directly address the situation where there is no text.