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From: PEREIRA@csli.stanford.edu (Fernando Pereira)
Newsgroups: comp.unix.wizards
Subject: Multiple machine binaries from a single set of sources
Message-ID: <8957@brl-adm.ARPA>
Date: Sat, 22-Aug-87 20:24:11 EDT
Article-I.D.: brl-adm.8957
Posted: Sat Aug 22 20:24:11 1987
Date-Received: Sun, 23-Aug-87 13:42:32 EDT
Sender: news@brl-adm.ARPA
Lines: 23

Much easier than all the solutions proposed so far is what I have
been doing successfully for quite a while on Suns. Just have one
directory hierarchy for sources (eg. ../src) and parallel hierarchies
(eg. ../sun-2, ../sun-3) for binaries. Create symbolic links in the
machine type hierarchies to all the source files in the source hierarchy,eg.

	cd ../sun-2
	foreach i (../src/[Mm]akefile ../src/*.[ch])
		echo `basename $i`
		ln -s $i
	end

A "make" in any of the machine-type directories will leave the binaries
in that directory.

Because NFS by default does not share root ownership and permissions,
it is convenient to have all the files in the various hierarchies above owned
by a shared user (eg. "bin") so that one can login onto machines of different
types to make the binaries for that type.

Fernando Pereira
pereira@ai.sri.com
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