1
 2MAKEVER:=$(shell make --version | grep "Make [0-9]" | sed -E 's/.*Make ([0-9]).*/\1/')
 3
 4# GNU make 3.82 has this feature though.
 5ifeq ($(MAKEVER),3)
 6
 7test:
 8	echo test skipped
 9
10else
11
12$(info $(shell echo foo))
13override SHELL := echo
14$(info $(shell echo bar))
15.POSIX:
16$(info $(shell echo baz))
17test:
18	foobar
19
20endif