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| files = $(wildcard *,*)
|
| # test expectes empty, since no *,* found.
| test:
| echo $(files)
| touch foo,bar
|
| # when foo,bar doesn't exit, "make test2" report empty.
| # next "make test2" reports "foo,bar".
| test2: foo,bar
| echo $(files)
|
| foo,bar:
| touch foo,bar
|
|
