incorporating -r into multi-arch build

[Galen Seitz]

I'm using Paul Smith's multi-architecture build scheme 
(http://make.mad-scientist.us/multi-arch.html).  Given the assumption 
that invoking make with the -r option is a good idea, would there be 
any significant drawbacks to adding the -r option to the MAKETARGET 
variable as shown below?

MAKETARGET = $(MAKE) -r --no-print-directory -C $@ -f \
  $(CURDIR)/Makefile \ SRCDIR=$(CURDIR) $(MAKECMDGOALS)

--
Galen Seitz
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