Hi, thank you for your help. This example didn't produce any output,
${missing} is empty.
Elmar
On Wed, Jun 25, 2008 at 1:57 PM, Philip Guenther <[EMAIL PROTECTED]> wrote:
> On Wed, Jun 25, 2008 at 12:03 PM, ekurgpold <[EMAIL PROTECTED]> wrote:
> ...
> > Then ${missing} has all the missing variables which can be echoed to the
> > user. But then I need to have this ifndef... section for every variable
> and
> > it's difficult to maintain and read. I've tried a number of things,
> > including the following:
> >
> > required = SOMETHING SOMETHING_ELSE
> >
> > define CHECKIT
> > ifeq ($$($(strip $(1))),)
> > echo $(1)
> > endif
> > endef
> >
> > missing = $(foreach var,$(required),$(call CHECKIT,$(var)))
> >
> > I'm using GNU make 3.81, but I'll need something that's fairly portable.
> Any
> > ideas? Thanks in advance...
>
> missing = $(foreach var,${required},$(if $(findstring
> undefined,$(origin ${var})),${var}))
>
>
> Philip Guenther
>
--
Elmar Kurgpold
Dreamsonics
[EMAIL PROTECTED]
Mobile: 415-871-5915
Fax: 509-355-8234
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