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<== Date ==> <== Thread ==>

Subject: Re: "Size of symbol changed" warnings building EPICS Base 3.14.12.2
From: "J. Lewis Muir" <jlmuir@imca-cat.org>
To: EPICS Tech Talk <tech-talk@aps.anl.gov>
Date: Fri, 02 Mar 2012 12:00:58 -0600
On 3/2/12 10:51 AM, J. Lewis Muir wrote:
> When building EPICS Base 3.14.12.2 (+ Known Problems patches)
> for vxWorks-ppc603, vxWorks-ppc604, and vxWorks-ppc604_long, I'm
> getting warnings like this:
> 
> ===
> /opt/vxworks-tornado-2.0.2/host/x86-linux/bin/ldppc -r -o
> callbackTest  -L../../../../lib/vxWorks-ppc603/
> -L/opt/vxworks-tornado-2.0.2/host/x86-linux/powerpc-wrs-vxworks/lib
>           callbackTest.o    -ldbIoc -ldbStaticIoc -lca -lCom
> Warning: size of symbol
> `_$_Q2t14epicsSingleton1Z13localHostName9reference' changed from
> 160 to 164 in cac.o
> Warning: size of symbol
> `__rf__Q2t14epicsSingleton1Z13localHostName9reference' changed
> from 128 to 132 in cac.o
> ===

I happened to be compiling with -O0.  I tried compiling with -O2
and these "size of symbol changed" warnings went away.  Strange.

Lewis

Replies:
Re: "Size of symbol changed" warnings building EPICS Base 3.14.12.2 Dirk Zimoch
References:
"Size of symbol changed" warnings building EPICS Base 3.14.12.2 J. Lewis Muir

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