Link Errors in CW 9.6 under OS 10.4.2 w/ XCode 2

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d-farrell2@northwestern.edu - 25 Aug 2005 13:43 GMT

I just upgraded to CW 9.6 and Xcode 2, now I am getting a pair of
linker errors with an older project (don't recall what version of 9
however):

Link Error : undefined: 'std::codecvt::codecvt(unsigned long)' (code)
Referenced from 'const std::codecvt& std::__use_facet >(const
std::locale&, std::__chooser<(__bool8)1>)' in FEManagerT_THK.cpp

Link Error : undefined: 'std::codecvt::id' (non lazy ptr IL)
Referenced from 'const std::codecvt& std::__use_facet >(const
std::locale&, std::__chooser<(__bool8)1>)' in FEManagerT_THK.cpp

Anyone have any ideas what may cause this or how to fix it? I have
posted to Metrowerks forums as well to see if they have any ideas.

Thanks,

Dave

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Howard Hinnant - 25 Aug 2005 14:24 GMT

> I just upgraded to CW 9.6 and Xcode 2, now I am getting a pair of
> linker errors with an older project (don't recall what version of 9
[quoted text clipped - 10 lines]
> Anyone have any ideas what may cause this or how to fix it? I have
> posted to Metrowerks forums as well to see if they have any ideas.

My best guess is that the definition of mbstate_t changed in the latest
version of Xcode. Although such a change is source backwards
compatible, it is not binary backwards compatibility.

-Howard

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d-farrell2@northwestern.edu - 25 Aug 2005 15:46 GMT

> > I just upgraded to CW 9.6 and Xcode 2, now I am getting a pair of
> > linker errors with an older project (don't recall what version of 9
[quoted text clipped - 16 lines]
>
> -Howard

I ended up taking the route of reinstalling CW 9 and upgrading to 9.5
(not 9.6), no problems now. I will post this to the Metrowerks forums
as well, see if I can find out any more.

Thanks -

Dave

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Mac Forum / Programming / CodeWarrior / August 2005

Link Errors in CW 9.6 under OS 10.4.2 w/ XCode 2