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Subject:	Re: makefile question
Date:	Wed, 12 Nov 2003 19:17:04 +0000 (UTC)
Organization:	University of California, Berkeley
Lines:	47
Sender:	Raymond Chi <chiry AT soda DOT csua DOT berkeley DOT edu>
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Tony Zhou <johnerzhou AT yahoo DOT com> wrote:

>> .PHONY: all clean subdirs $(SUBDIRS)
>> 
>> all: subdirs
>> 
>> subdirs: $(SUBDIRS)
>> 
>> $(SUBDIRS):
>>       $(MAKE) -C $@
>> 
> Try this

> $(MAKE) -kC $(wildcard $@)
> $(MAKE) -kC $(wildcard $@) clean

Hi, thanks for the response. I am not sure I understand this
completely, do you mean having a rule like

clean:
	$(MAKE) -kC $(wildcard $@) clean

it doesn't work, because $@ gets substituted by clean, so the code runs

	make -kC clean clean

the original line

$(SUBDIRS):
      $(MAKE) -C $@

works because it's basically like

dir1 dir2 dir3:
	make -C $@

I want to specify a rule

clean:
	for each directory in $(SUBDIRS)
		run $(MAKE) -C dir clean

except I can't seem to find a way to do this...

Thanks again.

Raymond

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