| # Check the value of .SHELLSTATUS before $(shell) has run | |
| A := $(.SHELLSTATUS) | |
| $(shell exit 0) | |
| B := $(.SHELLSTATUS) | |
| $(shell exit 1) | |
| C := $(.SHELLSTATUS) | |
| # .SHELLSTATUS is global across makefiles | |
| $(file >nested.mk,$$(shell exit 2)) | |
| include nested.mk | |
| D := $(.SHELLSTATUS) | |
| ruletest: temp := $(shell exit 3) | |
| ruletest: E := $(.SHELLSTATUS) | |
| ruletest: | |
| @echo $(E) | |
| $(shell exit 0) | |
| test: ruletest | |
| echo $(A) $(B) $(C) $(D) $(flavor .SHELLSTATUS) |