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Article #2268

Re: NXBundles and external libraries

#2268
From: Paul F. Kunz
Date: Sat, 23 Jan 1993 04:28
40 lines
2218 bytes
   After a day of puting out fires in other areas, I came back to this
problem and it turned out quite easy.  The problem was that a
dynamically loaded bundle and the staticly loaded code in an
application resolved external symbols from the same external non-NeXT
C library where the bundle needed many more symbols than the
application.

   Here's what I did...

In Makefile.preamble of the application, I put in

	LLIBS = /usr/local/lib
	OTHER_OFILES = obj/hippo.o
	LIBHIPPO = $(LLIBS)/libhippoNext.a

where libhippoNext.a is the C library in question.

In Makefile.postamble of the applicaton, I put in

	obj/hippo.o : $(LIBHIPPO)
		ld -all_load -r -o $@ $(LIBHIPPO)

This dependency rule forces all of libhippoNeXT.a to be linked
re-locateable into the file obj/hippo.o and since obj/hippo.o has been
declared as an "OTHER_OFILE" everything works.   That is, the application
links without errors due to unresolved sysmbols, and the bundle loads
also without errors due to unresolved symbols.

   Obviously, this is a good solution only if you essentially need all
of the library in the application anyway, which is my case.  The real
answer to the problem is to build a shared library, but nobody but a
few gurus at NeXT know how to build a shared library on a NeXT.

   I have nobody to thank for suggestions or solutions to my question
since I didn't get any via the news group nor by e-mail.   This must
be one of the rare cases where the net didn't come thru.
--
Paul F. Kunz	pfkeb@slac.stanford.edu (NeXT mail ok)
Stanford Linear Accelerator Center, Stanford University
Voice: (415) 926-2884   (NeXT) Fax: (415) 926-3587
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Message-ID: <PFKEB.93Jan22202833@kaon.SLAC.Stanford.EDU>
Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!unixhub!kaon.SLAC.Stanford.EDU!pfkeb
References: <PFKEB.93Jan20214908@kaon.SLAC.Stanford.EDU>

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Newsgroups: comp.sys.next.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!stanford.edu!unixhub!kaon.SLAC.Stanford.EDU!pfkeb
From: pfkeb@kaon.SLAC.Stanford.EDU (Paul F. Kunz)
Subject: Re: NXBundles and external libraries
In-Reply-To: pfkeb@kaon.SLAC.Stanford.EDU's message of Thu, 21 Jan 1993 05:49:11 GMT
Message-ID: <PFKEB.93Jan22202833@kaon.SLAC.Stanford.EDU>
Lines: 40
Sender: news@unixhub.SLAC.Stanford.EDU
Organization: Stanford Linear Accelerator Center
References: <PFKEB.93Jan20214908@kaon.SLAC.Stanford.EDU>
Date: Sat, 23 Jan 1993 04:28:37 GMT