Re: [Gems-users] undefined symbol linking opal

["Mike Marty" <mikem@xxxxxxxxxxx>]

I doubt the demangler changed from version 3.4.1 to 3.4.6, but I could be wrong.  Does this happen with Ruby too?  Both Ruby and Opal use initvar_dispatch_set as it is part of $GEMS/common

 

--Mike

 

----- Original Message -----

From: Dan Gibson

To: Gems Users

Sent: Monday, July 10, 2006 5:45 PM

Subject: Re: [Gems-users] undefined symbol linking opal

If I remember correctly, this message is a result of using a too-recent version of GCC. The mangler/demangler changes with the compiler version, to the point where the mangled "initvar_dispatch_set" symbol (and others) doesn't match what Simics expects it to be.

Since you're using gentoo, I would expect you could "emerge" an earlier version of gcc. We use 3.4.1 internally.

Regards,
Dan Gibson

Will Simoneau wrote:

I am trying to get GEMS 1.2 + Simics 2.2.19 working. While linking opal
I get this:

Linking opal.so
/usr/lib/gcc/i686-pc-linux-gnu/3.4.6/../../../../i686-pc-linux-gnu/bin/ld:
warning: creating a DT_TEXTREL in object.
/research/simoneau/simics-2.2.19/x86-linux/lib/opal.so:
/research/simoneau/simics-2.2.19/x86-linux/lib/opal.so: undefined
symbol: _Z20initvar_dispatch_setPvP11conf_objectP10attr_valueS3_
gmake[2]: *** [/research/simoneau/simics-2.2.19/x86-linux/lib/opal.so]
Error 1
gmake[2]: *** Deleting file
`/research/simoneau/simics-2.2.19/x86-linux/lib/opal.so'
make[1]: *** [opal] Error 2
make[1]: Leaving directory
`/research/simoneau/simics-2.2.19/x86-linux/lib'
make: *** [module] Error 2

GCC is version 3.4.6 as you can see from the paths... what's going on
here? I've followed the quick setup guide as far as I know, including
copying the system libstdc++.so.5 into the Simics lib directory. If it
matters, the host distribution is Gentoo.
  

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