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.
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John Graham-Cumming
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