1MAKEVER:=$(shell make --version | grep "Make [0-9]" | sed -E 's/.*Make ([0-9]).*/\1/')
 2
 3# GNU make 4 doesn't sort glob results.
 4ifeq ($(MAKEVER,4))
 5
 6$(info test skipped)
 7
 8else
 9
10test1:
11	echo '$$(info foo)' > foo.d
12	echo '$$(info bar)' > bar.d
13
14test2:
15	echo $(wildcard *.d)
16
17-include *.d
18
19endif