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Re: Diagnosing link errors: the next stage

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Re: Diagnosing link errors: the next stage

Subject: Re: Diagnosing link errors: the next stage
From: Finlay Dobbie <email@hidden>
Date: Fri, 28 May 2004 00:47:44 +0100

On 27 May 2004, at 23:11, Ken Brooks wrote:

So I rebuilt with ZeroLink turned on and it now reports:
	ZeroLink: unknown symbol '__Z12WindowUpdateP15OpaqueWindowPtrPv'
Okay, so...
1. What does that name look like in C++ source?


spiffy:~ finlayd$ c++filt _Z12WindowUpdateP15OpaqueWindowPtrPv
WindowUpdate(OpaqueWindowPtr*, void*)

2. CAN I GET IT TO TELL ME where the undefined symbol is being referenced from?

If ZeroLink reaches an unknown symbol it raises a SIGABRT. If you use the debugger you'll be dropped into a session on that signal where you can get the backtrace and find out the line of code that is calling it.

 -- Finlay
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References:
	>Diagnosing link errors: the next stage (From: Ken Brooks <email@hidden>)

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