$(shell ..) testing for the exit value

[Abramovitz, Norman]

GNU make 3.80

 

When using the $(shell ..) function, is there a way to retrieve the shell's exit value?  The output from the invocation is parsed by foreach and eval so I cannot

return a string as an exit code.  The following two lines are executed outside any rules.

 

space:=${empty} ${empty}

$(foreach var,$(shell ./brand_mk.sh -e makefile),$(eval $(subst @,${space},$(var))))

 

The shell script normally return values like

OSTYPE=AIX

address@hidden

NUMOSVERSION=5200

address@hidden

 

I guess I could try to return $(error) function but that seems more complicated than just testing the shell's exit value by using $(if) function.

 

Norman Abramovitz