This was a very shortened version. the defines are necessary
as well as
the evals.
But I got it to work with the subst instead of the patsubst
Thanks for your response.
> -----Original Message-----
> From: John Graham-Cumming [mailto:jgrahamc gmail.com] On
> Behalf Of John Graham-Cumming
> Sent: Tuesday, May 23, 2006 9:04 AM
> To: PATTON, BILLY (SBCSI)
> Cc: help-makegnu.org
> Subject: Re: problems with $$
>
>
> PATTON, BILLY (SBCSI) wrote:
> > I have the following example :
> > INCLUDE := -Idogs -Ipigs -Isheep -Irats
> >
> > PC_TO_O = echo $$(INCLUDE:-I=include\=)
> >
> > .PHONY : x
> >
> > define x
> > x : ; $(PC_TO_O)
> > endef
> > $(eval $(call x))
> >
> > It need to print out
> > include=dogs include=pigs include=sheep
include=rats
>
> 1. A substitution reference $(X:A=B) change A to B for
each A _at the
> end_ of a word in $(X). Hence your substitution
reference
> doesn't work.
> If you fix that your example will work.
>
> PC_TO_O = echo $$(patsubst -I%,include=%,$(INCLUDE))
>
> 2. I don't think you need $(eval $(call x)) at all.
Try doing
>
> INCLUDE := -Idogs -Ipigs -Isheep -Irats
>
> PC_TO_O = echo $(patsubst -I%,include=%,$(INCLUDE))
>
> .PHONY : x
>
> define x
> x : ; $(PC_TO_O)
> endef
>
> $(x)
>
> 3. Since you only have one line in your rule for x you
don't
> need define
>
> INCLUDE := -Idogs -Ipigs -Isheep -Irats
>
> PC_TO_O = echo $(patsubst -I%,include=%,$(INCLUDE))
>
> .PHONY : x
> x = x : ; $(PC_TO_O)
> $(x)
>
> John.
> --
> John Graham-Cumming
> jgcjgc.org
>
> Home: http://www.jgc.org/
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