Re: make buildin function strings handling

[Rob Walker]

That's the expected behavior...

Your code below is equivalent to:

tmp1=$(obj)
tmp2=$(word 1,$(obj))

Try it yourself:

makefile:

all: ; @#
$(info $(word 1,$$(foo))

-Rob

On 5/21/2012 9:24 AM, Incarnation Lee wrote:
> I am improving my codes which managed by gnu make recently. And I 
> found a behavior of make buildin function when handling strings. I 
> assume that this maybe for some specific situations. My OS is Ubuntu 
> 12.04 and with gnu make v.3.81. Details list follow:
> obj=a.o b.o c.o
>
> define Test
> tmp1=$(word 1, $$(obj))
> endef
> $(eval $(call Test))
> tmp2=$(word 1,$(obj))
>
> echo $(tmp1)
> echo $(tmp2)
>
> do make -n
> and get the result
> a.o b.o c.o(tmp1)
> a.o(tmp2)
>
>
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