[bug #28092] $(shell false) should break build

[Timothy N Murphy]

Follow-up Comment #5, bug #28092 (project make):

Hi,  

Ok, Mk2 then:

a:=$(shell echo "don't mess up this output"; echo  " $$?")

code:=$(lastword $(a))
output:=$(strip $(patsubst %$(code),%,$(a)))
$(info exit code='$(code)')
$(info output='$(output)')

address@hidden ~]$ make -f t4.mk
exit code='0'
output='don't mess up this output'
make: *** No targets.  Stop.

I think that the $(strip) is a bit of a cheat but it's pretty close to what
should be done.  This could probably be done completely properly with another
patsubst.


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