2
test "$(patsubst foo,%.bar,foo)" = "%.bar"
3
test "$(patsubst \%word,replace,word %word other)" = "word replace other"
4
test "$(patsubst %.c,\%%.o,foo.c bar.o baz.cpp)" = "%foo.o bar.o baz.cpp"
5
test "$(patsubst host_%.c,host_%.o,dir/host_foo.c host_bar.c)" = "dir/host_foo.c host_bar.o"
6
test "$(patsubst foo,bar,dir/foo foo baz)" = "dir/foo bar baz"