On 2010-06-11 20:48Z, Peng Yu wrote:
> 
> By the test that I run, I think that $(CPP_FILES:.cpp=.d) is
> equivalent to $(patsubst %.cpp,%.d,$(CPP_FILES)). But I don't find
> where it is documented. Would you please point me where the document
> is?

A substitution reference is actually an abbreviation for use of
the patsubst expansion function, as the manual explains:

http://www.gnu.org/software/make/manual/make.html

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