Re: how to use $^ automatic variable with prerequisites built on target-specific variable ?

[Axel]

Le 09/07/2010 10:23, Axel a écrit :
> Hello
>
> I m using a target with prerequisites based on target-specific variable,
> but it seems that the $^ doesn't work and is empty in this use-case :
>
> prereq:
> touch prereq
>
> test: FILE = prereq
>
> test: $(FILE)
> echo Variable: $(FILE) Prereq: $^
>
>
> "make test" displays that $^ is empty, but the prerequesites are checked
> and built. Is this a normal behaviour ? The workaround for me is to use
> $(FILE) rather than $^ but I assumed that $^ would have worked.
>
> Thanks in advance.

I ll add that the prerequisites are not built when using this syntax, 
the prereq target is never processed.
So I ll have to find a workaround, but is this behaviour expected ?