I want total control over all build command environments, including for
sub-makes, so I followed Paul Smith's advice (see
http://thread.gmane.org/gmane.comp.gnu.make.general/6507/focus=6508) with this
line at the head of my makefile:
unexport $(.VARIABLES)
This works great for me, except for one situation: I can't figure out how to
explicitly pass down my "-j N" values to submakes. There doesn't seem to be a
single make variable which contains the value of "N". I would like to do
something like this:
unexport $(.VARIABLES)
SOMEVARIABLE := # ????
target:
$(MAKE) -j $(SOMEVARIABLE) target
How do I set SOMEVARIABLE so that my sub-make gets the same "-j N" that the
top-level got?
(I'm aware that recursive blah blah harmful blah blah, but this is third-party
software I'm driving).
Thanks,
Dave
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