Re: link problems with precompiled headers and boost libs?

From: co_tangens (bart.tanghe_at_[hidden])
Date: 2003-07-28 02:14:21

--- In Boost-Users_at_[hidden], "co_tangens" <bart.tanghe_at_s...> 
wrote:
> Hi,
> 
> I'm using the datetime library of boost 1_30_0 with VC7.1 with 
> precompiled headers on. We're getting the following link 
> warnings/errors:
> 
> om.lib(bg_extra.obj) : warning LNK4006: 
> ___@@_PchSym__at_00@UwvevolknvmgUtnkEPozhgUhlfixvUytPzwwOlyq@ already 
> defined in om.lib(bg_init.obj); second definition ignored
> 
> 
> om.lib(bg_extra.obj) : error LNK2005: 
> ___@@_PchSym__at_00@UwvevolknvmgUtnkEPozhgUhlfixvUytPzwwOlyq@ already 
> defined in om.lib(bg_init.obj)
> 
> We include boost headers in our own header files. Our own 
headerfiles 
> are then used to create a precompiled header. It seems that all 
> object files that use the precompiled header get these link 
errors...
> 
> Does anyone know the reason/ a solution for this error?
> 
> Thanks a lot!

Sorry guys,

it had nothing to do with boost after all. At the same time of 
introducing boost something else was added as well causing the 
problem: a method was dllexported while being implemented in the 
header as well .... Looks like pch can't handle this...

Bart