how to make "make" variables override sub-make variables

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2 total messages Started by Jeff Sondeen Wed, 12 Aug 1992 01:32

#618

Author: Jeff Sondeen
Date: Wed, 12 Aug 1992 01:32

16 lines
1039 bytes

Is there (or shouldn't there be) an easy way to let top-level make
variables override the values specified in sub-makefiles; for example:
BINDIR.  I tried setting MAKEFLAGS but it doesn't work; that is,

MAKEFLAGS= BINDIR=/my/bin/dir

is interpreted as a "-B" switch or something.

I saw the trick that groff-1.05 uses in it's top-level makefile but I was
hoping for something easier, like a new switch for make.

Thanks,
--
/jeff

Life and love are as deep [as your] eyes are wide... -Rush

Re: how to make "make" variables override sub-make variables

#654

Author: bothner
Date: Fri, 14 Aug 1992 08:23

12 lines
787 bytes

> Is there (or shouldn't there be) an easy way to let top-level make
> variables override the values specified in sub-makefiles

Doing it manually is easy.  In Cygnus Makefile, we typically do:

FLAGS_TO_PASS = CC=$(CC) BINDIR=$(BINDIR) ...

do_foo:
	cd foo; $(MAKE) $(FLAGS_TO_PASS) all

	--Per Bothner
Cygnus Support     bothner@cygnus.com

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