Re: [boost] What the?

From: Dan McLeran (dan.mcleran_at_[hidden])
Date: 2005-10-28 13:52:54

The weird thing is I didn't change the build config. The only thing I 
changed was the include path and a couple minor things in the code. I'm 
quite baffled by this.

"David Abrahams" <dave_at_[hidden]> wrote in message 
news:uoe59vay3.fsf_at_boost-consulting.com...
> "Dan McLeran" <dan.mcleran_at_[hidden]> writes:
>
>> Yesterday, I tried upgrading from Boost 1.30 to 1.33 and I got the 
>> weirdest
>> reaction from my linker. Some background: I am using MSVC6SP6; The code 
>> in
>> question is a dll that runs under PharLap 9.1. I am linking against 
>> libcmt
>> as well as a lib called cellexe.lib, which provides all of the C runtime
>> stuff and PharLap-specific OS stuff. With Boost 1.30, everything compiles
>> and links just peachy. When I pointed the project at Boost 1.33, I had to
>> make a couple of small code changes:
>>
>> 1. I had to change boost::mpl::apply_if to boost::mpl::eval_if.
>> 2. I had to stop using TrivialIteratorConcept and switched to
>> ForwardIteratorConcept or RandomAccessIteratorConcept.
>>
>> That's really the only code changes I can think of but now my linker 
>> gives
>> me a bunch of warnings and 1 error message, which is what's really 
>> killing
>> me:
>>
>> Linking...
>> LIBCMT.lib(typinfo.obj) : error LNK2005: "const type_info::`vftable'"
>> (??_7type_info@@6B@) already defined in cellexe.lib(Cellexe.exe)
>> LIBCMT.lib(strtol.obj) : error LNK2005: _strtoul already defined in
>> cellexe.lib(Cellexe.exe)
>> LIBCMT.lib(chkstk.obj) : error LNK2005: __chkstk already defined in
>> cellexe.lib(Cellexe.exe)
>> LIBCMT.lib(xtoa.obj) : error LNK2005: __ultoa already defined in
>> cellexe.lib(Cellexe.exe)
>> LIBCMT.lib(atox.obj) : error LNK2005: _atoi already defined in
>> cellexe.lib(Cellexe.exe)
>
> Looks like a build configuration problem.  You seem to have a copy
> of your compiler's runtime lib linked into LIBCMT.lib and also into
> the DLL you were building.
>
> -- 
> Dave Abrahams
> Boost Consulting
> www.boost-consulting.com
>
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