# TODO(c): Fix this. Maybe $(wildcard) always runs at eval-phase.
files = $(wildcard *,*)
# if make starts without foo,bar, it will be empty, although expect foo,bar.
test: foo,bar
echo $(files)
echo $(wildcard foo*)
# first $(files) will be empty since no foo,bar exists.
# second $(files) expects foo, but empty.
foo,bar:
echo $(files)
touch foo,bar
echo $(files)
$(shell mkdir dir)
$(info $(wildcard dir/not_exist))
$(shell touch dir/file)
# This should show nothing.
$(info $(wildcard dir/file))