*BSD News Article 3742


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Newsgroups: comp.unix.bsd
Path: sserve!manuel!munnari.oz.au!uunet!cs.utexas.edu!qt.cs.utexas.edu!yale.edu!ira.uka.de!math.fu-berlin.de!unidui!du9ds3!veit
From: veit@du9ds3.uni-duisburg.de (Holger Veit)
Subject: Re: What is needed to compile with MATH libs?
References: <9208170010.AA25364@cs.utexas.edu>
Date: 17 Aug 92 07:13:17 GMT
Reply-To: veit@du9ds3.uni-duisburg.de
Organization: Uni-Duisburg FB9 Datenverarbeitung
Sender: @unidui.uni-duisburg.de
Message-ID: <veit.714035597@du9ds3>
Lines: 35

In <9208170010.AA25364@cs.utexas.edu> STDN%MARIST@VM.MARIST.EDU (Dan Newcombe) writes:

>I have a C program that is a demonstration of back propigation. It
>compiles fine but bombs out on the link phase.

>cc -o qp -lm quickprop1.c
>quickprop1.o: Undefined symbol _exp referenced from text segment

>quickprop1.o: Undefined symbol _exp referenced from text segment

>quickprop1.o: Undefined symbol _log referenced from text segment


>What's missing from this picture?  Thanks:)

>  -Dan
>STDN@vm.marist.edu

Have you tried

cc -o qp quickprop.c -lm

I have not the 386bsd man page at hand, but the cc(1) page of SunOS 
at least says:
	cc [some options] sourcefiles [-llibrary]

Hope that helps

Holger

-- 
|  |   / Holger Veit             | INTERNET: veit@du9ds3.uni-duisburg.de
|__|  /  University of Duisburg  | BITNET: veit%du9ds3.uni-duisburg.de@UNIDO
|  | /   Dept. of Electr. Eng.   | "No, my programs are not BUGGY, these are
|  |/    Inst. f. Dataprocessing |          just unexpected FEATURES"