Path: utzoo!utgpu!jarvis.csri.toronto.edu!mailrus!tut.cis.ohio-state.edu!purdue!iuvax!watmath!watcgl!jdchrist
From: jdchrist@watcgl.waterloo.edu (Dan Christensen)
Newsgroups: comp.sys.sgi
Subject: Re: having trouble with shared libraries
Keywords: shared library
Message-ID: <9402@watcgl.waterloo.edu>
Date: 26 Apr 89 19:08:40 GMT
References: <9395@watcgl.waterloo.edu>
Reply-To: jdchrist@watcgl.waterloo.edu (Dan Christensen)
Distribution: comp
Organization: U. of Waterloo, Ontario
Lines: 18

In article <9395@watcgl.waterloo.edu> jdchrist@watcgl.waterloo.edu (Dan Christensen) writes:
>I have a program that I want to run on both the Personal Iris and the
>4D/120GTX without recompiling.  Currently, the program compiles
>correctly on both machines with the -Zg option, but the binary is not
>compatible between the machines.  The way I interpret the cc man page
>is that -Zg is equivalent to -lgl -lm, or if you want the shared
>libraries, -gl_s -lm.  When I try compiling on either machine, with
>either of these options, the linker tells me that sin and cos are not
>defined and aborts.  The funny thing is, I don't call either from my
>program, although I do call asin.
>
>Can anyone help me out?

I found out the problem.  One of the libraries I linked in did call sin
and cos.  It turns out that all I had to do was specify -lm last on the
command line.

Dan