| MAKEVER:=$(shell make --version | ruby -n0e 'puts $$_[/Make (\d)/,1]') | |
| files = $(wildcard M*) | |
| $(shell mkdir -p tmp) | |
| files += $(wildcard tmp/../M*) | |
| files += $(wildcard not_exist/../M*) | |
| files += $(wildcard tmp/../M* not_exist/../M* tmp/../M*) | |
| # GNU make 4 does not sort the result of $(wildcard) | |
| ifeq ($(MAKEVER),3) | |
| files += $(wildcard [ABC] C B A) | |
| endif | |
| test1: | |
| touch A C B | |
| test2: | |
| echo $(files) |